I think people are forgetting that each of those Google (former) employees have shares and are also shareholders and shareholders will start to get pissed when management is screwing up and will call for a new CEO or new execs or a new board to be put into place that will get Google back on track: https://www.nytimes.com/2018/12/16/technology/tech-workers-c...
> I doubt the employee protests will win out here in the long run.
If they lose more employees it can be argued that they're ignoring their fiduciary duty to the shareholders by tarnishing the brand of Google which makes hiring more difficult which leads to less profits.
There's already activist shareholders asking for more gender diversity data for example: https://www.fastcompany.com/40474369/activist-investor-deman...