>>but scarce few remain when it comes time to peer through that glass darkly and try to improve things for the human being (not sack of wheat of uniform quality) who is seeking advice.
True.
And it was unduly flip of me to claim otherwise.
That said.. I've been going to MD's for a long, long time and during all that time, never once have I heard one say what, in fact, was often the real truth:

"I don't know."

Advise your colleagues that if they'll add that phrase to their lexicons, I'll be quiet and stop complaining so much.