For those wanting Google to put a penalty on the sites who are banned/removed from the user's view, what's to stop someone from gaming that system via Mech. Tur

For those wanting Google to put a penalty on the sites who are banned/removed from the user's view, what's to stop someone from gaming that system via Mech. Turk (or some other way)? Just pay people $0.12 to open gmail accounts and ban a competitor or whatever. That's the only negative I can think of - other than that, I say bring it!