Which means experts in the field were qualified to call bullshit on, say, Galileo or Copernicus? Sometimes entire fields are themselves based on bullshit, until

Which means experts in the field were qualified to call bullshit on, say, Galileo or Copernicus? Sometimes entire fields are themselves based on bullshit, until a better theory comes along. I don't think it's this extreme in this case, and the parent provided some good elaborating context elsewhere, but do remember to stay humble and open.