They aren't wrong though. Because, the more you play, the more you lose . So, you will get more cashback for playing a long time. Only a small number of lucky players will stay in profit in the long term. Still it isn’t a bad bonus. But 20%-30% cashback would have been better for the anniversary celebration. However, the free spins promo is looking better as it has only 10× wagering requirements to get the winnings.