Though, what I really had in mind when I made that comment was his "Life Achievement Award" from AFI. My post was not meant to be inflammatory at all. Obviously there would be disagreement amongst what directors are seen as overrated, since to be overrated alot of people have to like your work. By its nature, it's going to spark debate.
As far as Ron Howard, he's highly unoriginal and his movies all tend to follow a Hollywood formula. It works for him, and I've enjoyed some of his films like "A Beautiful Mind." Specific examples of why he's just meh...Da Vinci Code, Angels and Demons, How the Grinch Stole Christmas.