You mean internal-public, I assume. Memegen isn't public AFAIK.
> ... because of their privately-held political views
It's hard to get called out for privately-held political views. Things you do in public, though, have consequences.
> Neither Google nor any other company should tolerate employees using the power of the company to advance their personal ideological beliefs
Is that a constraint we should extend to owners of companies also? Or is flexing muscle to advance personal ideological beliefs something only reserved for Fortune 500 owners? Google was outspokenly gay-friendly before that became a mainstream opinion in the US, to give a concrete example.