I was killing myself looking for anything about this info so I could provide a link before posting. I first heard this from a coworker (her hubby works with a woman whose dad worked at the former Pearson location.) Found it, this is the second mention of it.
Millardair built their Waterloo location because they lost their Pearson location, when Millardair's lease was up Pearson refused to renew, seemed that the Pearson Millardair hanger made a great place to hold raves.
http://www.avcanada.ca/forums2/viewtopic.php?f=54&t=86335#p820368
Might put a big strain on father/son relationship, maybe WM was tired of DM's crap, threaten to cut him off if he didn't straighten up. I know if my livelyhood was jeopardized because of a stupid stunt like this, I had to do a major move/relocation to continue working for a living because of it, my kid wouldn't be getting another dime, would be cut off, go see what its like to earn it yourself, a lot harder than having it handed to you.