What is surprising here is that it even was put on air in the first place. Did you ever watch her show? It was painful. No doubt Mullally is a talented actress, but her signature character Karen was the kind of wicked, selfish, smack-talker people love to hate ("Honey, I'm too tired to slap you. Bash your face up against my palm."). That does not translate well in to a good talk show host, like Oprah or Ellen, whose shtick is being nice and unthreatening.
Mullally told AP last fall, "It had never occurred to me that hosting a talk show was a job that you could actually have. It had seemed like a very far-fetched profession. Like being an astronaut." Hmm. Maybe it's a job she could not actually have.
Actors, models, and other celebrities think they can just slap their names on talk shows and have them rage success. Not true. Tyra Banks, consider yourself on notice.