He was getting scaled down during the final quarter when he wasn't touching it, though (just like everyone else). Lost 3 points from scaling, then gave away a 50m penalty, lost nothing, got a contested handball, back up to 95 where he started, scaled down to 92 post-game (though almost every other player lost points post-game, too). The game was close in the final quarter so I don't see why scaling from previous quarters would've come into it. I've seen players lose 10 points for giving away a 50 n the same situation as Macrae.
I guess to CD, 1 contested handball in the final minute is good enough to cancel out a FA, 50m penalty against and 29 minutes without touching it.