Dude he wasn't a good person but he didn't show any indication of forcing the kid or raping him if he was against it. He's still gross for wanting to sleep with a minor but that's not enough for him to get killed lol. Also by your logic wouldn't the kid deserve getting raped anyways since he's a fricken mass murderer.
First I think It was quite obvious the man had plans to coerce him into sex, “I helped you so sleep with me” is coercion and by extension rape. If he thinks like that imagine how many people he has done that to, normal people don’t reason that way, rapists do. I personally saw this as 99 days for the thief one day for the owner. He got what was coming to him, soon enough the boy will too
The driver wasn’t a good person seeing as he was planning on making the boy pay with his body, he got what he deserved!