Do you think this guy is messed up in the head for making videos and killing off people just cause he can't be in a relationship with them?

So there's this guy who comes off as an idiot as he keeps on making short films and feature this favorite singer of his. He is in our fan club and he keeps on making these videos and killing her off and other people off in his films. Not to mention he has done crossdressing and portrayed prostitutes in the film. I've approached him and told him to stop making these but he claims there is nothing wrong as he claims it is "Fan Art" to this singer. He says he doesn't have a girlfriend and so he is bitter and uses these short films as an outlet to vent out his anger by killing off people. Do you think he's messed up in the head for doing all of this crap? He has a bunch of videos on his channel where he portrays her and casts her in these so called short films of his.
Do you think this guy is messed up in the head for making videos and killing off people just cause he can't be in a relationship with them?
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