What would happen if sv_maxvelocity was changed from 3500 to 16000?

A fun hypothetical idea ive been thinking about is what would happen to TF2 if the max air velocity you could achieve was changed from its current 3500hu/s to around 16000hu/s. What that means is that even a 14 sticky jump from the scottish resistance wouldnt hit the speed cap from now on.

But as I was experimenting, I've been thinking about what else changes in the base game as well? Obviously people could be a lot faster but would this change affect the game negatively or positively?