I imagine you would say the same thing if during an NBA game the announcers were making the same cracks about worthless FT's at the end of an already decided game?
Of course....Musburger does it all the time, as do a few others.
If he game was SOMEWHAT in reach, or the he was obsessing about the spread it's a different story. He knew what that last play meant. It meant absolutley NOTHING except to the gamblers, and quite a few people, including myself were watching it very closely.