Darwinism works all ways. If we kill the harmless animals, we're directly breeding more aggressive ones that will attack "unprovoked" because that's what saved their lives.
We definitely do this. Not sure though if we only do it for repeat offenders. But there's a story of a rich woman that constantly sped because she could afford the ticket so they just fined her I think 1.4 Million CHF. She took it to court and lost.
Except Nautili still exist today