There are so many based units that just sit about. Led to believe there are 14 LS's right now alone, in total there could be 30 a/c sat about all winter ! Makes you wonder, knowing this will be the case, if a storage area out of the way somewhere would help and be simple / cheap to do ?
Let's not forget though they do pay to park, so having them there is certain revenue, versus not having them there and creating space in the hope of getting a few diversions every blue moon instead. It's not 1970 anymore when mass diversion days were common. I'd go for the guaranteed revenue all day long if I had to chose one or the other.