In the U.S, at least you can argue that the company has some limited responsibility to uphold rights; in a company town, it is generally the case that the company town can not prevent you from expressing yourself by removing you from the place with trespassing statute [0].
As a former Torontonian, I have no faith that the council or the public will prevent abuse by Google until it gets really out of hand.
It’s not really anything new. Over the last couple hundred years there’s a long history of towns and neighborhoods run by companies.
See:
- https://en.m.wikipedia.org/wiki/Company_town
- https://en.m.wikipedia.org/wiki/Model_village