I'm not somebody who believes you always have to call a timeout to set up a play at the end of regulation. Sometimes, it makes sense to attack the rim in transition.
However, tonight was a different story. The offense was terrible all night, especially in transition. Rondo was tentative, and wasn't attacking. At the same time, Doc is one of the better coaches in the league at calling plays out of timeouts, at least historically.
Why, then, did Doc decide to let the team play? I've got no problem with giving the ball to Paul on the last shot, but it's got to be set up better than that. In my opinion, it was a terrible, terrible decision.