I won't pan a specific speaker,but the speakers I consider over rated are the ones with bloated bass,designed to appeal to people who listen to them for five minutes in a retail setting.
My second choice is any tenured professor,who is going through the motions,who makes it obvious that he or she would rather be any place else than reading a fifty minute lecture to undergraduates.
My second choice is any tenured professor,who is going through the motions,who makes it obvious that he or she would rather be any place else than reading a fifty minute lecture to undergraduates.