https://www.youtube.com/watch?v=0w39Gtqelko
Is he right /v/? Personally, I think he's not. The problems he analyzed isn't due to the concept of Sonic's speed, but rather the problems the regular 3D platformer had at the time. It was just amplified by it. Sonic can work- we just need more control and accuracy over Sonic like how Utopia or Green Hill Paradise does.