Rape can be funny in many contexts, and the rape was stopped in this case, which is why it's taken off as a meme the way it has. Memes don't object to being really offensive, but people still don't like rape. This guy actually saved his sister and was calling out the attacker, who is really dumb for real, yo.
Sometimes I would look at the average television programs today and get very confused. There is so many talentless people with programs they probably got because of connections. Youtube has allowed the real talent to emerge. Long live Autotuned crime witnesses.