From what I've seen there's been a very strong attempt by the media and feminist bloggers to tie Elliot Rodger (and the blame for his crime ) to the
PUA community and men's rights activists. In my mind it's a bit like blaming Batman for James Holmes. It might have had an effect, but it can't be considered the primary cause by any stretch of the imagination.
In all honesty given the general cultish nature of the
PUA community and the wierdos it often attracts I had a feeling that a psychopath of some sort would be attracted to it and that something fucked like this might eventually happen. That isn't to say that I think it encourages or helps facilitate thoughts of violence towards women or anything like that. However, it does often exaggerate the importance of being attractive to women as if it's some sort of be all and end all, which does seem to have been part of this kid's problem.
In this case though, most of it seems to come down to this kid being an over entitled hateful psychopathic nut bar. I watched the video and it's one of the creepiest fucking things I've ever seen: