/u/c_forrester_thorne succinctly explains how and why an infamous masturbation scene in the anime movie "End of Evangelion" represents character suicide and can be seen as a critique of Japanese "otaku" culture (vaguely similar to modern Western geekdom).

http://www.reddit.com/r/evangelion/comments/24heg7/anno_is_into_choking_i_guess/ch7cpf1?context=2