I wrote a post suggesting that, perhaps, he's not a movie star at all. He is a good actor who appeared in some very good movies, but has neither the track record of iconic movies (think Bogey in Casablanca, African Queen, and The Maltese Falcon) nor a succesful enough box office record to merit that kind of praise.
It's been rough sledding since then. Leatherheads and Burn After Reading, combined, did less than $100 million at the box office, and were critical flops as well.
And in Hollywood, they seem to finally be catching on. A story last week in the LA Times said, about Will Ferrell:
He's in danger of becoming the comedy equivalent of George Clooney, someone who enjoys a great deal of goodwill but who isn't actually a real movie star…