Sonic's heart & will are simply too damn strong to be affected by something like that. It is this factor that makes him nearly impossible to predict. No matter what happens or who looks down on him, he will never give up. He keeps going, keeps pushing on. Whatever it takes to do what he's gotta do.

Overall, Sonic just does whatever the hell he wants, when he wants & however he wants to do it. Screw anyone who has a problem with it.