[dmatech]

What he says on his personal Twitter account (unless it's on behalf of the employer) is not a "workplace" concern. There's no right for workers to not have an off-the-job embarrassment as a CEO. Perhaps there is for investors, but that's another concern with different remediations.

[TheCoelacanth]

Your boss's conduct is absolutely part of your workplace conditions. Public figures do not have the luxury of maintaining a strict separation between their working and private lives.