Mike -
I think that, then as now, those owners/architects/courses that aspired to greatness (real or imagined) purposely did what was hard, or unusual, or out of reach for the average man. At a time when it was hard to move a lot of earth, the owners/architects/courses with modest ambitions didn't move a lot of earth - while CBM and Lido, for example, not only DID but did so proudly, and publicly. (And at the same time, in an era when the moneyed class who played courses like NGLA could travel to Europe whenever they pleased, there was nothing exotic or desirable about having to travel far to play golf, so top courses tried to be close to major urban hubs.) Much later, when moving a lot of earth became easy, run of the mill owners/architects/courses moved whatever earth they had too or thought necessary to satisfy their imagined market -- while those who aspired to greatness started looking for the magnificent sites, and started publicly promoting the ideal of letting the land and its natural features dictate the design. (And at the same time, when the moneyed class had been replaced by the white-collar class, what became prized was the need -- and the financial resources -- to travel a long ways to play golf, to seek the pure golfing EXPERIENCE.) Later still, when money was flowing like water and a certain class of golfer had seen and experienced it all, owners/architects/courses actually started promoting the ridiculous amount of earth moved -- with no expenses spared -- to turn wastelands into oasis (what's the plural for oasis), and then tried to set themselves apart by charging more money for a round than the vast majority of golfers could afford to spend.
Peter