It was not Garnett's best night, as have been most in this series. He has not been effective offensively.
But with that said, we've got other problems. Rondo, quite frankly, has been exposed. We cannot get into an offensive flow playing 4 on 5, which is what we've got whenever he's on the floor. There isn't a short-term answer for that in this series.
And I find it fairly chilling for next season. He MUST upgrade his game offensively, or we're going to have to add a scorer at the PG position for next season. Otherwise, we're in trouble at the point.