Those are some really good points, actually.
I admit to also being guilty of some of my sheets having stats others don't, like Anub'Zahar's, for the which I thought "well, he doesn't have magic, but his endurance is relevant to his character so let's put that in instead". But you're right in that it's a little disorganized.
Having a scale would also kinda prevent wanking by virtue of common sense I think. Because as of right now, we have human characters (magi, granted, but STILL) strong, fast or agile enough to match Servants, and other similiar.... oddities.