it really wasn't all that much they look pretty similar there was far more of a redesign for 4 those deathclaws actually look extremely different but while they're a little different between the classics and 3/nv they're pretty minor and they're broad strokes pretty much the same
I have a theory that freaky cartoon porn on the internet is going to spawn a "market" for entertainers somehow.
It's like... the 'weird factor' of it is such that you could probably capture a large audience by trying to explain or understand it in a neutral, non-judgmental way. Study the way a person ends up being 'into it' in the same way people study the life cycle of a marine mammal or something.