It does make them experts in the field, and qualified to call out bullshit.

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.

You misunderstood the GP. He isn’t saying it’s correct, only that it doesn’t deserve to be dismissed out of hand. I.e., it deserves a more robust treatment before dismissal is warranted.