But they all challenge why he would make these points, which to me is valid criticism. Is it not?

Are you arguing that it isn’t relevant that he owns or sits on the board of direct competitors to Google, one of which works in the very space he is commenting on? Or just that I should not question the context of his arguments? Or something else entirely?

I’m not sure why you lobbed this attack. One can seemingly question the context and motives of calling a company “treasonous” without being dismissed out of hand