they then accused me on live support of various vague things:
- bets are made by a group of clients acting in a coalition to bypass the restrictions established by the betting company;
- the client is suspected of using any software that automates the process of setting bets;
- the client uses the game account to play in arbitration situations;
- the client abuses the loyalty programs.
You can not prove that you have not done any of it too. In the case of group betting, sportsbook have tools to detect abusers but for legal reason they can not share evidence.