If he gambled as much as they are saying he gambled in all the places he is said to have gambled at in Las Vegas, how is it that other gamblers in Las Vegas have never seen or heard of him as far as I can tell?
It is alleged that he primarily play video poker which deosn't require much social interaction.
With Video poker, the "house take" is approximately only 2%.
There is some conjecture that he may have been using casino gambling as a way to 'launder' or 'wash' money arising from possibly illegal activities.
He played video poker.
Not all millionaires look like Hollyweird types
They can't spend their money on clothes or anything they can't sell quickly. I don't care how much money they have they live on the edge and they think everyone is out to get them...they think that because that's the way they are.
Apparently you've never heard of The Millionaire Next Door You should read it, very insightful look into the habits of the wealthy. Available for free at your local library.
In my business dealings I have known a couple of millionaires who’s first impression on me was that of a guy needing a handout.