#17 at PB seems to get quite a bit of criticism and I can't understand why...except for the size of the green currently, as they continue to push that championship tee back even further.
Phil hit 7 iron in there on Sunday, I believe, though he and Bones discussed the shot at length before Phil finally pulled the trigger.
Where the hole gets a bit kooky is when they play back at 23? whatever during the U. S. Open. Otherwise, it is demanding, but not too harsh a tee shot.
The green could stand to be enlarged while retaining its present configuration, say 15%, as the constant dumping of sand out of the bunker from shots has built up the sloping collar areas and reduced the surface significantly. There is plenty of room forward of that green, so the back portion could remain little changed, which would be wise as that part of the hole is fine and no work would alter that ground between #17 and the #18 tee box.
A possible improvement, to permit at least some more glimse of the green from the tee box areas, would be to deepen the front bunker slightly and drop the front lip portion of the trap. This wouldn't steepen the front to back pitch of that green, which is somewhat pronounced already, and should improve the visual off the tee.
The bunkers have been tweaked and redone over the years, but the work has never really yielded much improvement from a visual or playability standpoint. The left half of the green, particularly the front bunker face, could use some thought. I also thought the aerial shots on TV showed how mundane many of those bunkers have become. If one looks at older photos, the bunkers have more zest in many cases.
From my perspective it is quite an interesting hole, with plenty of peril and subtle asks of the player should they find themselves in some trouble, position-wise, after the tee shot. Talking about #17 at PB always reminds me of Tom Kite's famous quote after being asked about the 4 he took there during the final round, on Sunday, when he won his U.S. Open there in 1992. "Some bogies are better than others." Too right TK!
Cheers, Kris