As someone who caddied at Spy full-time, for almost 12 years, I can say that many of the holes that are uphill can play significantly longer, depending on the conditions.
First, I 'm curious, what did he shoot and did he putt everything out? The reason I ask is that is one tough track and many a 3 footer, or less, can be missed if you are in the wrong spot. Interesting to note that Mr. Woods failed to break par in any of the first 6 tournament rounds he played there. Several of those were even played under " lift, clean and cheat " conditions.
Spy plays much differently since they re-did the drainage in the late 90's. Built originally on a very modest budget, 600K or so in 1966 comes to mind, it was often VERY soft during the rainy season and played super long under that scenario. Today, the course drains quite well, the rough is shorter in general and the watering is better-managed than In the past. All of the factors, coupled with bomb and gouge technology, have led to a blunting of what formerly was one tough hombre of a golfing test.
The firmness the course now often presents has increased the run-out of drives, which when pounded by better players now leaves 8 irons in or less. NO WAY that was the case in the past. I mremember being in Norman's group when he was in his prime. Probably as go a driver of the ball in the game at the time...he got his ass kicked by Spy, shot like 76 and was stewing all the way around.
Spy's not what she was. Sadly, the Pebble Beach Company multilated her with some poorly executed changes in the 90's, but is still a super track and a stiff test when presented properly.
Hope this helps clarify what has transpired there.
Cheers,
Kris