Except that statistically and psychologically, it's true. If you're treated like a monster when you're young and impressionable, the damage will almost always manifest itself into you becoming a monster when you get older. Those that don't still typically suffer serious psychological damage but I don't know that just because one person is subjected to horrible stuff and comes out of it without reciprocating that horrible stuff... that doesn't mean that everyone should be expected to be able to.
The rapist committed his first rape when he was 13 - so he himself was likely abused prior to that point (when he was younger than his latest victim). Nobody on here is calling for his abuser's head, because it's easy to put people into camps of "I don't care why they're that way, they're just not human anymore".
Maybe he deserved to die, I don't know - it's not for me to say. On the one hand, he was bragging about his crimes but on the other, he was also bragging about crimes he hadn't committed - so maybe he was just running his mouth.
Having not ever dealt with that sort of thing, I don't know but I'm just not in a hurry to say "kill 'em all and let God sort 'em out". Especially when the laws pretty much everywhere don't call for the death-penalty.
One day in my shoes, ez ... Just ONE. (I will say this though, since you seem to have it all figured out. I'm glad to know what you really think of me, as I don't remember a time in my childhood that I wasn't being abused -- physically, psychologically or sexually -- and lucky me, sometimes ALL at the same time by SOMEONE in my family ...)
I would kill myself before I'd harm a child, or anyone else for that matter, just so I could spray a little jizz ... Seriously ....