There was no trend or array of stories. Just one lady who said she had someone denying it on their deathbed with zero corroboration, and then she got 2 days of news cycle.
So its not like this crazy stuff is hard to prove is prevalent (pun intended) among certain groups.
What is hard is actually putting figures on it when worldviews get so warped due to circular logic. This is bad, because there are real reasons people are upset. Underlying reasons that need to be properly addressed.
Hell, if you're rural, it's pretty likely to have a nurse who doesn't really believe the current understanding of COVID