OK, that's pretty good.

I think part of what you say is a correct interpretation of why people talk about homosexuality being "genetic" or "innate" or people being "just born that way", but I also think a big part of it can just be summed up as sloppy language by people who don't really understand what these words mean in a scientific…

Also not to be anal, but there is a definition of pretentious that would apply (from dictionary.reference.com):

I've just got to break in here and say that The Marathon Man was way better than the Graduate.