This could be the big reason why we don't do anime episodes. Crickets ensue.
I've never seen Eva so...yeah, can't very well contribute much to the whole discussion
I will say though that I still enjoyed the episode. I'm sure some people get turned off by episodes about things they don't have knowledge of (could go for anything, not just YIBR) but I was into it. It got me interested in checking out the series/movies/whatever the hell else it is anyway.
Though I have to admit, just from listening to the discussion and seeing the images, and reading a little bit of Wiki about what the series is about. I sort of got this vibe that maybe people are trying to read too much into it and that it IS just as simple as a "the apocalypse happened, everyone died, there's a new "Adam and Eve" or whatever".
But, like I said, never actually seen the thing myself so, just have to wait and see.