From Forrest Gump, "Stupid is as stupid does".
I hope he doesn't transgress again, for the sake of his family, but I wouldn't bet on it.
Having been to our game at Reading in August 2019 where we got thumped 3.0, he was like a spare part at a wedding, wandering around like he didn't have a clue, I wouldn't be surprised if he had sampled something then. I think Colin made him stay on the pitch out of spite.