I didn't wiki this, but didn't Dickey work at an ad agency, at least for a time? Anyway, I think attacking him for being an ass is maybe the wrong approach. Some of his work is right on, though I think I do agree with some criticisms Sam might have.
Roger, James could be a little flamboyant in his introductions. But a really good teacher, some great poems, in my book. Here's link to a favorite of mine:
http://www.versedaily.org/lilyjr.shtml