My mentor used to say he hated sharp doglegs in only two instances - 1) where there are a lot of trees, and 2) when there aren't.
I tend to agree that it is either too easy to cut the corner, or there are too many problems in laying up. The layup is just not a fun shot for most, other than a change of pace, and sharp dogleges usually require that.
I also wonder if sharp doglegs are disliked just because of the line of charm concept. It just seems so unnatural to see a green way to one side of the fw, doesn't it? Not to mention, I would wager that most sharp doglegs are a result of a gca (and in this case, I use that term loosely) who can't find a way into and out of a tight piece of property. So they probably are awkward, forced holes to begin with.