The running up the middle did set up a few sweet shots down the field (first play of the second quarter on first down and another one in the middle of the fourth on 2nd - I don't remember if they were play action or not, or if there were others) which would have been huge game changing plays if Flacco delivered the ball to the open receiver instead of painfully overthowing.
So yeah, considering that run, run, run strategy is built to capitalize on the few big opportunities, and Flacco couldn't do that, it would make sense to go a different route.
The alternative may have led to more turnovers . . . but yeah, the playcalling was very Billick-esque.