I can't think of anyone on this forum who has researched this more, or more diligently, more than pB.. But all of that is beside the point for some people.
What constitutes reasonable expertise? Or reliable information?
What constitutes wallowing in your own stew of fanciful druthers?
"Intellectual curiousity"? Bah! There are far too many people who sling that phrase around that are really just looking to have their previous suppositions given credence, regardless of any factual basis.
Real intellectual curiosity requires an output of energy such as pB has demonstrated time and again. Real intellectual curiosity would suggest a certain open-mindedness (short of being so open minded that brains spill out, of course) and a willingness to pursue the basis of other peoples opinions. Or at minimum, to listen...occasionally. Real intellectual curiousity is always...always...accompanied by a willingness to be honest with ourselves (at least) and to see our own shortcomings--such as lack of real in-depth experience. No one can be an expert about every subject they encounter.
And trying harder doesn't help.
As far as jaded perspectives and conspiracy theorists...the undeniable fact is that most manufacturers are looking out for their own interests. Most of them have powerful "public relations" departments that gobble up an inordinately large proportion of the budget and whose sole mandate is to convince the public to accept their benevolence and their assertions of "the best" and "the most Traditional"...and similar hyperbole. Despite the fact that if only by virtue of the info that they redact--ingredient lists and so forth...it is intended...deliberately...to mislead.
Being cautions and withholding blind...and naive...credulity is simply a survival strategy.
Those who buy into it have long since abandoned all pretense to "critical thinking."