Jason - just riffing off of what Gary and Pat said (and with apologies, because this might be taking it far afield from what you want to discuss, but):
I think yours is the perfect question through which to see the subjective-objective debate. (Rankings and ratings attempt/pretend to offer as close to an objective standard of greatness possible, calling on a wide range of golfers and a set of specific criteria to bolster their case; the awe-inspired individual golfer coming off the 18th green of a hidden gem he's never played or even heard about before but sharing his muddily-worded feelings about his personal experience of that course provides the subjective counterpart.) "Objectively" speaking, it's hard for me to imagine a great a cart-ball course, since almost by definition the routing will be disjointed and the flow will be interrupted and, very likely, the views will be front and centre. But for an older golfer, say, who may have to take a cart even at a 6,000 yard golden age course, his 'subjective' experience of this great course is as wonderful -- to him -- as what the 'objective' rankings promise any and all of us walking golfers on any and all of the Top 10 privates in America. And for me, that subjective experience is what golf is actually all about, and what architecture should be all about.
Peter