I agree that the article is a filler, the Old Course is not under attack by new clubs or "american" style golf. If anything the thicker soled clubs bounce more than the blade-type.
IMHO: the sand mix blows away, it is not applied often enough, they don't put fertilizer in the mix as this "encourages" poa and they don't like poa ("too green and succulent, slow"), the use of different tees more often could help, actually repairing the hole by replacing your divot and stepping on it works better than doing nothing. I watched a few R&A groups last week and none repaired their holes on the 18th. Fewer players could also help, and a warmer summer than this one might also assist. The Moe Norman saying about "taking bacon strips for divots, not hamburgers" would help.
I played Carnoustie last week and they have more of a problem than the OC, although it is not really a problem as most of the areas are from the Open and many yards past where we played from. Finding a source for sand is not easy either. The grit available makes for great sparkling shots with the big headed drivers. Brilliant in the twilight!