You might want to do a bit more research into how airports in the real world actually operate 
I've done plenty of that over many years and I've responded to you with courtesy. Is it too much to ask for similar in return?
MAG have nothing to do with any of the ground handling equipment, it's all owned by third party handling agents... Such as Swissport, who have just announced 4500+ job losses.
Well its not the booming cargo sector which has given the handling agents this headache, is it? Best to bring in some cargo business and protect jobs.