I wouldn't say they chose not to; I would say they had capacity constraints in respect to doing that.
Of course, as we heard from the carriers, it is in everyone's interest to get those passengers off the planes as soon as possible, but we had a weather event here, which meant it was difficult for some staff, ground handling staff, to get into the airport. That is an area that struggles with retention of labour, and we already had maximum overtime hours being recorded across our seven contracted ground handlers. That combination made a scarcity of both equipment and staff, meaning it was difficult to tow aircraft in the usual and timely way.