The claim that "Batman not killing is BS" is BS in-and-of-itself. Out of all the superheroes in comics, the no-kill rule is more important to Batman than any other superhero and it forms who he is as a person more than any other superhero. This includes even Superman.
The vast majority of other superheroes don't kill simply because they're superheroes and killing is bad...because they're superheroes. It doesn't work that way for Batman. The reason for why he does not kill and does not use guns is engrained into his character. These two things have molded him and his mythos in a way that they haven't molded any other character and his mythos.
There are so many reasons for why this is the case that requires me to get into the entire essence and philosophy behind Batman and his mythos but I'll keep it simple: Notice how often the no-kill theme plays a roll in Batman stories. In most other superhero stories, it is there but is more concealed and only comes out once in a while throughout their stories. In Batman stories, the theme is constantly there and is in many ways the very core of many stories. Also notice how much controversy and disgust a lot of people have for Batman not killing the Joker. Some people have even said that they can't stand Batman altogether because of that. When you think about it, shouldn't they feel this way about most superheroes since it is a known fact that most superheroes don't kill? Yet barely anyone critiques Superman and Spider-Man for not killing Lex and the Green Goblin respectively, who are both far more dangerous than Joker in the first place. Batman gets so much more criticism in comparison to them for simply not killing a street-level psychopath. This is because, as I said (and I hate to say this since I really like both Spidey and Supes), there is no other superhero whose no-kill rule is as attached to the core of their being as it is to Batman.
When you make it ok for Batman to kill, you not only change him but you change his entire world. You completely alter the Batman/Joker dynamic. The Batman/Ra's dynamic. The Batman/Gordon dynamic. His friendship with Superman. The entire message behind vigilantism that comes with Batman. Robin's entire purpose for existing is gone. Everything about Batman as we know him and his world as we know it would completely change, and I don't think people realize this.
If you do not like the idea of Batman's no-kill rule being so attached to him, Batman is not a character that's meant for you in the same way how the Punisher is not a character aimed at people who don't like the idea of superheroes killing. I am not trying to offend anyone for saying this, but it is essentially true and there is nothing wrong with that. There is no comic book character that can be targeted and loved by everyone. That's not to say that you can't be bothered once in a while or have disturbing thoughts here and there about Batman's decision to spare the Joker (we all have those sometimes, even the hardcore fans) but if it constantly disturbs you to the point that it affects your overall enjoyment of Batman content and your overall opinion of Batman, then Batman is not a character designed to appeal to you personally.
As a side note, I find it very interesting how much criticism Batman gets for his methods from a political point of view. It seems that left-wings always critique him for having methods that are too extreme while right-wings critique him more for not having methods extreme enough.
The vast majority of other superheroes don't kill simply because they're superheroes and killing is bad...because they're superheroes. It doesn't work that way for Batman. The reason for why he does not kill and does not use guns is engrained into his character. These two things have molded him and his mythos in a way that they haven't molded any other character and his mythos.
There are so many reasons for why this is the case that requires me to get into the entire essence and philosophy behind Batman and his mythos but I'll keep it simple: Notice how often the no-kill theme plays a roll in Batman stories. In most other superhero stories, it is there but is more concealed and only comes out once in a while throughout their stories. In Batman stories, the theme is constantly there and is in many ways the very core of many stories. Also notice how much controversy and disgust a lot of people have for Batman not killing the Joker. Some people have even said that they can't stand Batman altogether because of that. When you think about it, shouldn't they feel this way about most superheroes since it is a known fact that most superheroes don't kill? Yet barely anyone critiques Superman and Spider-Man for not killing Lex and the Green Goblin respectively, who are both far more dangerous than Joker in the first place. Batman gets so much more criticism in comparison to them for simply not killing a street-level psychopath. This is because, as I said (and I hate to say this since I really like both Spidey and Supes), there is no other superhero whose no-kill rule is as attached to the core of their being as it is to Batman.
When you make it ok for Batman to kill, you not only change him but you change his entire world. You completely alter the Batman/Joker dynamic. The Batman/Ra's dynamic. The Batman/Gordon dynamic. His friendship with Superman. The entire message behind vigilantism that comes with Batman. Robin's entire purpose for existing is gone. Everything about Batman as we know him and his world as we know it would completely change, and I don't think people realize this.
If you do not like the idea of Batman's no-kill rule being so attached to him, Batman is not a character that's meant for you in the same way how the Punisher is not a character aimed at people who don't like the idea of superheroes killing. I am not trying to offend anyone for saying this, but it is essentially true and there is nothing wrong with that. There is no comic book character that can be targeted and loved by everyone. That's not to say that you can't be bothered once in a while or have disturbing thoughts here and there about Batman's decision to spare the Joker (we all have those sometimes, even the hardcore fans) but if it constantly disturbs you to the point that it affects your overall enjoyment of Batman content and your overall opinion of Batman, then Batman is not a character designed to appeal to you personally.
As a side note, I find it very interesting how much criticism Batman gets for his methods from a political point of view. It seems that left-wings always critique him for having methods that are too extreme while right-wings critique him more for not having methods extreme enough.