And some get eaten by predators, and some might starve to death. So, rather than a quick, humane death they are left to possibly. In other words, he really is killing them - just taking the "easy" way out for himself so he doesn't have to deal with them.I have a friend who has a big lot of land. He doesn't like to kill them so he drops them off and lets them fend for themselves. Some are there still after several months.