Of course, it's Mother Nature's fault, but it's not just that. The USGA has an agronomy section and its US Open Committee has an officer who has an amazing amount of control over what the site course does in maintaining the turfgrass. I know this, because I was the grounds chair at a club for a US Open. To think that they would be as involved as the normally are and to have these greens wind up as mottled as they were, as riddled with poa annua which is known to make greens very bumpy in the afternoon, implies to me some significant responsibility on the part of the Chambers Bay staff AND the USGA. I cannot emphasize enough the level of control that they take over the ground at an Open. And even if they can't prevent poa infiltration, its own agronomy staff had to know that Chambers Bay was too early in its existence to successfully ward off the kind of issues that it wound up with. This is hindsight, 20-20 vision of course, but it may have been wiser to wait another handful of years to make sure that the ground would be more ideal for a national championship. I have a fair amount of exposure to the Bandon Dunes golf courses and they've had their ups and downs, but after a number of years, the staff has figured out the proper way to provide consistent putting surfaces. So I think the USGA has some responsibility here that it didn't measure up to.
Having said that, the criticisms are a bit over the top. The conditions still allowed the golf course to be set up in a manner that helped identify the best player in Jordan Speith. Dustin Johnson was awfully close, but you can't have three 3 putts in the final 9 holes of a US Open and expect to win. And he didn't miss those makeable putts because of bumpy surfaces. He hit bad putts. Grace was right in the hunt and he hit a horrible tee shot out of bounds that cost him his shot at the championship. Oosthuizen was able to come from behind and get into condition on the final day of the US Open, which doesn't happen all that often. Finally, Adam Scott had the low round of the championship on the final day. All of these things tell me that it was a good site for a great championship. I hope that it will only continue to improve agronomically, because it would be great for the Pac NW to have a recurring site.
It isn't a perfect site. It's a bit of a bastardization of links golf. It can be set up in a way to absolutely torture professional golfers, but it's elastic enough to hit the rheostat and dial it back at the same time. I think overall it's a win for the USGA, a win for Chambers, a win for the Pac NW and for the game of golf in America.