While I have no shame is saying I've not played PV, I've played OS and the only thing I think they have in common are pine trees.
OS a #3 C&C design? I saw the same bunker or bunker idea at OS at least three times (the bunker cut into a hillside behind the green that's out of play for all but one pin placement and when in play actually makes the hole play easier than harder because of the spin a player can get from the sand when being on a pine tree strewn sandy hillside with a down hill lie woud be death). The best bunker on the golf course was on # 3 and was hardly in play not because it was short of the green some 60 yards but b/c it was hardly, if not at all, in the line of play.
If you compared two strikingly different pieces of property (OS and BGC) and before a hole was routed asked me what would yield a better course I'd have said OS, no question.
BGC is, however, a far superior golf course and is a fine example of a truly great course coming from less than ideal land on paper when risks are taken in design. To me, OS is an example of a very good course from seemingly ideal land when little risks are taken in design.
While there's no accounting for taste in these matters (and I do believe much of GCA appreciation is similar to art appreciation) how anyone could say OS is a better golf course than Cuscowilla or the Plantation Course baffles me.
Don't misunderstand, I find OS to be a very good golf course but it's not great and to be a top 3 C&C design a course has got to be better than great.