Most people that I've met have said murder, suicide, genocide, holocausts and natural disaster ect... Are horrible, are tragedies and should never happen again, when in reality they are needed because the world would be way more over populated now than it is already because there would have been a hell of alot more people to reproduce babies, if wars, holocausts, natural disasters ect... Didn't happen.
in a way its pretty bad due to the fact that people die and suffer. if someone came to you and asked you 'do you want me to kill you so that someone else can be born and take ur place?' what would you honestly say. if overpoppulation becomes a problem im sure we could figure out a way to do it. and with the gang rapes people have babies like that, so without them, there might be less population :P