May be putting my tin foil hat on a bit here, but:
It's interesting that he has claimed the TAB has owed him $600k in the past. He's right to question why they've solely gone after him specifically. Once again, it's almost as if the FFA are making decisions based on their relationship with the betting agencies, - who actually runs the game in Australia? Because it sure seems like it is these betting agencies making these decisions.
Betting agencies - determine where teams finish in the table (Perth 7th), are seemingly heavily involved in sanctioning registered players.
Fox Sports - determines the leagues fixtures list.
FFA - Do they even have any control over the league at all?