It's as if the whole vocabulary of golf architecture - one developed over the last 100 years - is a foreign language. In many cases its a vocabulary they've never even heard before.
How is that possible?
As someone who never thought much about these issues until I read, in order, Doaks' Anatomy of, MacK's Spirit of, and Thomas' GCA in America, I have pondered your last question a lot.
My theory is that it was lost in The Depression and WWII.
I believe that the wisdom and writings of Thomas, Ross, MacKenzie, Behr and Tillie would have held sway in the golf community at large if we hadn't suffered the Dark Ages of GCA.
But when periods of enlightenment are followed by periods of intellectual regression, it's only natural that the knowledge would be lost.
Imagine, for instance, If the native people of the Americas could have built on the architectural foundation of Pachu Picchu.
And what do we make of the lost knowledge from the Library at Alexandria?
The golf courses I grew up on were built by people who couldn't have known anything about the language and concepts developed in the Golden Age. And none of them had likely seen the great courses of Scotland.
So we have a couple of generations of golfers who grew up with almost no model for excellence. Except the few who got to play places like Cypress Point, Prairie Dunes, NGLA, etc., etc. we were ignorant of the possibilities.
Heck, my dad was as avid and well-read as any I have ever known and I can't imagine he even knew NGLA or Prairie Dunes existed.
In that environment, somehow hard came to be a synonym for good. And competitive golf became an examination of who could execute a series of difficult shots the most precisely.
Of course there have been exceptions and exceptional people along the way--The Classics of Golf library is one exception to the lost knowledge. And the beloved architects of this site are as well.
But before a golfer of my generation (I'm 60) can come to enlightenment, there must be an awakening. I cannot tell you how hard it is to get my friends to understand why narrow, tree-line fairway aren't the pinnacle of golf course achievment.
Ken