He was probably a fan at some point. Not like us, but a casual fan...maybe?
He fell into some money and probably thought he would be a good owner. He was dead wrong. He was not only a bad owner, but a terrible person. Sometimes $$ changes people for the worse. I don't know what he was like before he bought the team, but DS is likely a prime example of that.
But I have to be honest, if I had almost a billion dollars in the 90s, I probably would have tried to buy this team too.
The team seems to be in good hands now though, thankfully!