And yet you’ll find essentially no anti-vaccination sentiment among left-wing politicians. (In fact, by far the most prominent politician to espouse anti-vaccination views is the Republican President.) Left-wing anti-intellectuals certainly exist, but they have little traction.

Contrast this with the right wing, where things like denial of climate change are a major part of the party’s platform, to the point that you’d hard time getting elected as a member of that party if you express confidence in the scientific consensus.