It's just Batman subconsciously trying to avoid...

If you kill Putin, number of killers will not grow as fast. Fuck Putin. Alternatively Putin should go same route he sent Navalny through.

Batman's goal is to create a Gotham where he is not needed.

Johnathan Wayne has entered the chat

Most of the modern stories are, essentially, about a severely neurotic genius athlete billionaire. Especially since the killing joke laid it out.

So you're assuming I've never killed anyone?

Simply kill more than one killer

Go for the bulk discount.