Look and this is addressed to the other guy too, I understand. I also believe that DC animation has taken a steep nose dive since Flashpoint Paradox. Mask of the Phantasm, Elite, Return of the Joker, All Star Superman, Under the Hood and TDKR both parts are my clear favorites not the current line.
The difference is that I'm not scrapegoating some specific films or one character cough Damian cough for flaws that apply to their entire department.
We got BTAS style animation in Gaslight, TKJ and the Harley film and it was a horrid cheap eye sore not worthy of DCAU. All their films are trying to be edgy, adult and gritty not just the ones with the so called "New 52". The directors, writers, producers are the same for all their films. Their budgets aren't what they used to be and so on. Our lord Bruce Timm is now public enemy number one even though the "New 52" films made fans beg for his return.
So lets just say DOS is animated Batman and Harley style, Lex is a clone pretending to be his son with red hair, Supergirl was is made of protoplasm by an alternate Lex, Booster Gold replaces Batman. Superman is wearing All Star costume. But its still made by the same creators following the same direction. Do you honestly think the film will be better off? Honestly comic fans are the worst imo. Not directed at you but their obsession with visuals and entitlement over what they think makes a story good is exactly how we ended up with Zack Snyder.