I don't dispute that at all, in every area there must be a good number of people who think themselves beyond improvement or change - professionally or personally, really. In truth I believe there is no such person. I suppose like anything else the good this field does comes with an ounce of bad.
Antibiotics! What a wonderful, amazing discovery.
I do hope you're right, I would love to meet them. If my own studies into history are anything to go by even in comparison to physical medicine there are some decades of difference that can't but prove crucial. Time is precious in all respects.