If we make the internet standards hand all this power back to the browser users, then Google will clearly just not implement that particular standard. They have

If we make the internet standards hand all this power back to the browser users, then Google will clearly just not implement that particular standard. They have plenty of precedent of going their own way, establishing it as the way the web works, and then getting the standards written retrospectively to cover it. (Not singling out Chrome here - most of the major browsers have done this at some point.)