PBS gives some possible reasons why, but one reason they don't give is the demonstrable fact that far too many people in this country are simply very stupid and very gullible.
Asinine, bullshit conspiracy theories and the credulous, blithering morons who believe in them are, at least in part, why the United States has been afflicted (again) with the plague that is the Presidency of Donald J. Trump in the first place, after all.
Asinine, bullshit conspiracy theories and the credulous, blithering morons who believe in them are, at least in part, why the United States has been afflicted (again) with the plague that is the Presidency of Donald J. Trump in the first place, after all.