On the empirical question, I would just say this: When a subject has been discussed for decades and the vast majority of relevant experts near-unanimously report a particular conclusion, and I see that same conclusion reported in all my personal experiences with non-experts as well, then in the absence of any reason to believe otherwise - which so far hasn’t been provided - then it seems appropriate to believe that the conclusion is widespread. But, with that said, I think you might be inte...
