Sean:
You noted that the approach to #16 is blind??? Not to my recollection. I suppose if you were standing on the right edge of the fairway and the wickerbasketstick was cut on the right 1/3 of the green, the quarry might block out the wickerbasketstick from sight. But even from there, you could still see most of the front of the green. From everywhere left of that, the whole front of the green is in plain sight. We might be talking semantics here, but with nothing obstructing your view of the green, how is that a "blind" approach.
The approach to #14 is truly blind as is the approach to #18 from the bottom of the hill. If you're going for #4 in two shots, that will also be a blind approach. But #16?? Please explain.
Phil McDade:
The "tree" up the left side of #2 is actually a trio of very tall trees spaced about 20 yards apart that, frankly, are essential to the difficulty of that hole. Without them, a long hitter could bail out way left off the tee all day long and still have an unencumbered second shot back across the far bunker that would set up a fairly routine approach. Bottom line: the OB right would be taken out of play (plus the golfers playing the 5th hole would need pith helmets or worse). As it now stands, those 3 trees are big enough, and positioned so perfectly, that there is virtually no way that a 2nd shot from over there can be aimed so as to make the green reachable in regulation. If they ever die, especially the front one closest to the green, they/it really need to be replaced.
Mayday:
It was noted earlier on this thread that #6 isn't at all short and is always included with #'s 1-5 as part of Merion's "first act".
Frankly, I've thought the knock about #'s 7-13 has always been overdone and never more so than in the last 5 years since #9 has been lengthened to almost 190 yards from the new back tee and, especially, since #12 has been lengthened such that the tee shot must now carry 240+ yards to safely cross Cobbs Creek. Does that stretch seem underwhelming compared to the first six and the "Back Five"? Probably - but look what those holes are being compared TO.