alt Hacker NewsVersus https://en.wikipedia.org/wiki/Argument_from_authority
See also: https://www.science.org/content/article/potential-fabricatio...
Amateur's asserting their opinions as facts isn't great, but epistemologically it's no worse (and systemically, like less harmful) than when the experts do it.
Experts, when given the chance, have a tendency to speak with nuance and describe the degree of confidence they have in different statements.
Compare this with an amateur writing with certainty about a subject that subject matter experts continue to debate after decades of work.
I know which one of the two I would rather bother listening to.