well when these games were first made the animation in them was suckish because it was the best they had. THEN they got sloppy when they remade them!
No, the remakes had the same graphics. I have actually studied the differences. Like Darkscar said, 3-D was the New Stuff back then. So, I'm just guessing that Nintendo din't want to make a complete remake. They just wanted to clone or respawn it from the 64 since it was so popular.