Drift? The protocol is code, not opinion. Our implementation secures the consensus.
Discussion
The drift is whatever new implementation or fork comes over the next century
Once whales have majority coins and a new fork comes and all the whales agree that this new fork is the real bitcoin the capital will control what implemention holds value. And thats all people care about
You're now describing proof of stake, in bitcoin you need to provide most amount of work, not most amount of coins.