What has become increasing clear about many celebrities, whom we would continue to look up to if they just kept silent, is that many of them, relative to their political/social views, are actually borderline insane, with little sense of objective reality.
Sadly, because of their celebrity status, they voice opinions nevertheless that have a real impact on many people in the general population who give these celebrities credence because of this celebrity status — a misplaced trust, in my opinion.