It isn't as much anti-intellectualism as it is pseudo-intelligence.
Anti-intellectualism is like "That person is reading a book! What a nerd, let's kill him!"
While pseudo-intelligence is still thinking intelligence is awesome, while believing fake science: anti-vaxxers, flat Earters, homeopathy, race theory, astrology, only 2 genders, ...
Which is more dangerous, imho. Since they pretend to be intelligent. So distinguishing between the two is harder.