I think it's actually quite a horrible fingering. I can't imagine playing those runs at any speed with your 1, 2, 3, 5 fingering. The biggest problem I see with it is how awkward it is to go down this scale from 5 to 1. In the given fingering (3, 1, 2, 4) everything can be done with incredible smoothness, because there are no large arm movements. Everything flows together and the entire scale can be played without having to lift the arm. With your proposed fingering, instead of "pivoting" your way down the keyboard, you have to make jerky arm movements for every repeated motive. If you can play it smoothly and up to speed this way, then that's fine, but I've never heard of anyone performing this piece with your suggested fingering. Fingering is quite a personal thing, however, so if it works for you, do it. I know that I'm happy with the fingering just the way it is.
I find the given fingering very comfortable, and your suggested fingering very uncomfortable, and I think most people would agree.
However, I admit--the most difficult aspect of the fingering is how different the right and left hand fingerings are. I have trouble keeping the right and left hand in perfect sync with eachother at high tempos. Because the fingering is so different for the right hand, it has a very different feel to it when I play it than the left hand. I know this can be easily addressed, though, namely through slow, disciplined practice of hands together.