What did you try to start them on? You’ve gotta get them hooked with the visual style first to get them used to the medium, so I always recommend stuff that would be more familiar to them. Stuff like March Comes In Like A Lion; Much more true-to-life and no sudden “surprises” like we know certain shows can do at particular moments 🙄
It’s actually an allegory about Adam & Eve and the creation mythos 😅 The last episode of the Evangelion series is not the true last episode, there’s actually a whole separate episode that goes over what really happens