Go ahead exterminate your own culture. They allow you to exist. A culture that allows/enables that anti-social behavior is best to go away for the world?
If you're dead, or in prison, I'll take care your wives and children. lololol
If they exterminate their own culture, you would have no wives or children of theirs (which btw makes you a pedophile) to “take care” of, dumb dumb.