IMHO, he's correct in saying that it's harmful to your health, at least as far as I understand, because in Chinese medicine something like new, raw, puerh is viewed pretty negatively, as it saps your energy or something like that. The result, of course, differs for individuals, but in general almost nobody I've talked to believes that drinking green puerh that isn't aged yet is good for you.
By the way, Harvard scholar or not, I'd like to think that everyone of us is held to the same standards for making claims. S/he wasn't saying s/he is a tea scholar, merely that s/he is a visiting scholar at Harvard. When here, we are all just tea addicts.
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