Have you ever heard of Brock Turner, or maybe Johnny Depp? Good luck getting any women to go near you though.
Besides, these sentences are insane in general and modern first world societies (meaning not the US) do not focus on punishing people like we do. They focus on rehabilitation because it’s a service to society, because they actually give a shit about their societies. So the fact that anyone can think that fifteen years of being locked in a cage getting angrier and angrier with no psych help and shit for healthcare “isn’t enough,” really says something about the people who endorse that.