A point which in turn was a response to someone alluding "Mark Waid is a fanboy" -- the nature of such talk is that it becomes tit-for-tatty and snidey, and it becomes about the poster rather than the post.
Which makes all of us, doesn't it? You and I are in October in a thread about a movie that opened in June. If we didn't have strong feelings about MoS, if it was "just a movie", I wouldn't be here giving the movie stick, and you, sticking up for the movie.
All things being equal in the convo about Superman killing Zod, Waid's opinion is as valid as it is yours or mine.
Way to miss the point. Like I said, someone elevated Waid's opinion to ridiculous measures. Waid can have his opinion, but his opinion does come with some errors, which is perfectly valid to point out.
Think of it this way: Someone feeds you a tidbit of news. You may form an opinion on the topic. Then you find out that the source is faulty, but you still hold to your opinion as being 'right' because you want to believe what you want to believe.
All well and good, but the logic behind your opinion is still faulty. Mark Waid's whinging about Superman does not make him correct. It makes his opinion completely erroneous, because there are facts that dismantle his complaint.
There's a certain truth to his complaint. Superman after all, does not typically kill. That is correct. But Superman has killed, and more importantly, has shown that he is willing to kill if he needs to.
Most recently, in the New 52, Superman was going to kill the woman who was possessed. He didn't want to, but he would have done it in order to save everyone. Another example is "Enemies Among Us", when Batman is over-taken by an alien force, Superman says flat-out that he knows Batman would rather die than lose his soul. If the aliens refuse to leave Bruce, Clark is ready to kill him in order to give Bruce peace. In Earth One, Superman arms the rebels.
You can argue about the morality of any of those choices, but that does not change that Superman sometimes considers death as an option -- but only if there are few or no other options.
In the film, the situation Superman faced with Zod was a no-win. There was no convenient phantom zone or way to depower him. In the context of the story, the death makes sense.
Mark Waid's reaction to it was emotional, and not driven by anything that we actually know about the character.
Sorry, how is it "ironic"? I've seen the two pages posted (same as everyone has, I presume), which apparently, was enough to satiate those who were pleased that it was "from the comics", but I haven't read the whole story, so I cannot speak to the larger ramifications that Superman's actions had on his character. Please do enlighten me.
1. After Superman killed Zod and two other Kryptonians, he exiled himself from Earth, and moped about the universe while he struggled with his actions. It's a long story, but his emo journey eventually ends with him facing down his guilt, and finding the freedom to take up the burden of being a champion of Earth once more.
2. After Superman killed Doomsday, he died. When he came back, there wasn't a lot of time for reflection, since there were all kinds of troubles, but in Superman Day of Doom, he's confronted with the sheer quantity of deaths that were both a direct, and indirect result of his battle with Doomsday. It takes him a while to even really consider all those other deaths.
In the end, Superman discovers the tremendous losses the people of Earth endured, and feels the weight of those deaths. But he also acknowledges that while he may sometimes draw enemies to Earth, if he stepped aside, larger tragedies could happen. ( Doomsday killed several thousand people. Other people died indirectly as a result of the attack. When Superman died and was gone, Coast City was attacked, and seven million people were murdered).
3. Even in Earth One, there are consequences. Superman gives the rebels the means to fight against their oppressor (who is an evil bastard). Superman is patting himself on the back for doing a great job, and when he arrives at his apartment, he finds out one of his neighbors committed suicide. In the apartment, there are frantic words scribbled on the walls, all about Superman. One of the more poignant scribbles is: "Superman can save the world, why can't he save me?"
Clark had been so absorbed in trying to get back at the bad guy, he'd missed the needs and struggles of someone whom he spoke to nearly every day. He knew about them, but he sort of pushed them to the back of his mind...and because of his inaction on something that seemed trivial, a person died. A painful lesson for Clark, but a good one.
From those pages posted, Superman executes Zod and co. almost casually and with no remorse. Not quite the same approach taken to the character in MoS, where he screams in despair(?) after the execution.
No one said he did it without remorse.

We simply said he had killed. Although, to illustrate the difference in the film and comic, Zod was already done killing 5 billion people by the time Superman executed him. In MOS, Zod is still a clear threat to the Earth, so in many ways, Zod's execution in the comics is less justifiable than the one in MOS.
The only time he's ever killed without remorse was in Superman II. And also whenever he's been possessed by something evil, or like in Superman/Batman, when he and Bruce were raised like brothers and were evil. Then he doesn't mind killing at all. Do not make Supes angry if he's evil. He'll broil you alive, or beat you, then strangle you with a golden lasso.
Sorry, but I'm only seeing more apologizing here. In what other instances "in the comics" did Superman execute his enemies, what sort of long term consequences and ramifications did these executions have on the story/character? What new area of the Superman mythos did they explore? If they didn't/haven't, then your argument is completely moot.
Posted above! I'll point out that the only comic that had Superman deal with the consequences of his actions within the same story was Earth One. The other comics spread the journey over several months of comics.
The point is, true, MOS didn't cover everything. But I strongly suspect that MOS was specifically designed for a multi-film journey for Superman. Not that I actually need to see Superman struggling with Zod's death. Zod deserved his death. I can understand his motivations to a certain extent, but still, he was a genocidal maniac. MOS Supes seems a bit more...pragmatic than some of his counterparts. I wouldn't mind seeing a bit of fallout in the next film, but I really don't want to see Superman agonizing over what happened to Zod.