hello @bowess,
I imagine that because of the misinformation that exists about vaccines and the number of people who can't tell the difference between hoaxes and real news, when a theory is put to them, they immediately believe it.

publicity note:
I'm promoting That curation trail on HIVE and it would help me a lot if you forward it, You can also check it yourself: you might find it interesting to join, I'd love to hear your comments.