I think we are too quick to expect all currently built golf courses to be great because we are in a 'renaissance' of course design. Not all 'Golden Age' courses were great, or even very good. Within about an hour of Pinehurst, we have at least 8 Donald Ross courses. #2 and Needles are great, but then Mid Pines and Southern Pines are, at best, very good. And then #1, #3, the Richmond Pines renovation, and Sanford are average at best, IMO. Then there are Raleigh CC, Sedgefield and certainly some others I have not played. I think we tend to think Golden Age courses are great, but in reality, how many of the non-great/very good ones would have survived through 5 wars, a depression, and numerous recessions in this nation? Golden Age courses look better as a group now because in truth, the poor ones aren't around anymore.
--No architect puts forward his best work every time, no matter how hard he tries. Plus, we still have many non-renissance architects still designing, Fazio, Nicklaus, etc. Overall, I think we are getting a large number of high quality golf courses being built.