I think the primary reason is just that when you play an FPS, you are looking at a screen, which is the same as looking at the TV when you watch a movie. In thi

I think the primary reason is just that when you play an FPS, you are looking at a screen, which is the same as looking at the TV when you watch a movie. In this real world setting, your brain is used to see all those effects. A FPS for a VR headset however should try to mimic the eye instead, because I think it'll be more apparent that those effects shouldn't be there.