To replace Pichai the two largest Google shareholders would have to give a shit about the direction of the company. But they've been absent for longer than Pichai has been CEO.
I don't know if we should put them on a pedastal.
[1]: https://www.businessinsider.com/google-sergey-brin-employees...
People are not wrong to do so. Those two are not causing the problems. They can carry some blame for inaction, sure, but not that much of the blame.