JC,
There are many things that can be debated about these 2 courses, but the CD member claiming there are 6-7 average holes at CPC is hyperbole in the extreme.
I will agree with Joel on #3 and #10 as those are the holes I always felt were the weaker sisters on the course. Most courses would be delighted to have either of these holes. #3 was more impressive this last go round a couple of weeks ago, which I attribute to the bunker work over the last few years. None of these holes is bad. #18 gets knocked but I don't think I have ever parred it so it can't be all that bad. It is certainly a let down after the stretch of #12-17, but almost any hole is going to pale in comparison to the crescendo of a finish up to #17.
The weak holes at CD IMHO are #10 and #16. Again, this is in comparison to its other 16 brethren. Most courses would be happy to have these holes. #17 is controversial as pointed out, but I like the hole. Not so much the tee shot, but that approach to a skyline green that just gets harder and harder to hit over time as it gets in your head. #16 is essentially a crescent shaped par 5 with nothing going on until you get to that excellent green. #10 is a straightaway par 4 from an elevated tee and there is nothing going on UNTIL the approach into that excellent green. See a pattern developing here?
CD and Prairie Dunes are courses with outstanding greens that get in your head before you even get to them, because you know if the approach isn't good then a 3 putt is very likely, which then puts pressure on the tee shot to give you a better approach shot, etc...
Being below the hole is imperative at CD, and still pretty darn important at CPC.
There are so many attributes to these 2 great courses that any negatives are simply nitpicking, because there are NO bad holes on these two courses.
Both of these courses deserve their lofty rankings and in the end Cypress just happens to have that water feature that people seem to be impressed by.
I could go on about these two courses for hours, but man must sleep at some point.