From the betonline website:
5. BetOnline.com reserves the right to deny or cancel bonuses to players whose wagering record indicates they are making “Wise Guy” or “Steam” moves. Betonline.com reserves the right to cancel bonuses and/or funds won with said bonuses if management determines a player to be Non-recreational or part of a syndicate. Bonuses are intended for recreational players only. Decisions to cancel “wise guy” action are entirely up to the discretion of BetOnline.com, with no exceptions.
5. BetOnline.com reserves the right to deny or cancel bonuses to players whose wagering record indicates they are making “Wise Guy” or “Steam” moves. Betonline.com reserves the right to cancel bonuses and/or funds won with said bonuses if management determines a player to be Non-recreational or part of a syndicate. Bonuses are intended for recreational players only. Decisions to cancel “wise guy” action are entirely up to the discretion of BetOnline.com, with no exceptions.