I don't think it's a given that there's a single correct fingering, but it seems obvious that an incorrect fingering is one that's impossible to use at your des

I don't think it's a given that there's a single correct fingering, but it seems obvious that an incorrect fingering is one that's impossible to use at your desired tempo. People have different sized hands, and different hand strengths, so some fingerings may be more damaging to a pianist's hands, and some might be more comfortable but break down at higher speeds, and some might simply be impractical at any speed.