The comment you're replying to is hot-blooded, but your question has a simple answer nonetheless. Sergei Brin stands in front of the "activist employees" at an all-hands and tells them that he strongly disagrees with some of their political beliefs, and that while they're welcome to advocate for them, those beliefs will find little purchase so long as he remains president of Alphabet.
But that's not how he runs that company -- which is the point.
But that's not how he runs that company -- which is the point.