Jorg Colberg, the astrophysicist, says a lot of things, but it seems to be the point he's missing in the above extract. I've read his blog quite a bit, as much as it infuriates me at times. Cameras are increasingly accessible, education isn't (even though information is) - which is hard to comprehend for academic photography commentators.
And the Ansel Adams lineage is what the OP is interested in, so tread carefully on that hallowed ground. His grasping to the past and the lightning speed everyone else is moving forward is the reason for his disquiet. That's the beginning and end of this thread.