FWIW, all the players have said they've loved the atmosphere in Mullett arena.
Numbers don't really matter if the crowd's gonna be disinterested and quiet. You can sell an arena out and have it be pretty well lifeless, we should all be familiar with that seeing the PPG Paints arena.
And yeah, Dolan's a psychopath. He uses facial recognition to remove/ban people he deems his enemies from MSG (not just Rangers/Knicks games, but all events) and when faced with backlash over the practice, he's now threatening to ban the sale of all alcohol at MSG.