This is part of the risk of being an affiliate and if it depends on your referral wagering, they can change the rules anytime its an unwritten rule of affiliate marketing, so your only option is to change your referral bonus or take away the referral bonus you can go on paying your referrals with your own pocket, but its good that you let people know about this issue, so marketers and influencers will take out BCGame on their list and go for casinos with better referral bonuses.
There are a lot of casinos worth promoting that establish themselves as one of the best in offering affiliate rewards, affiliate marketers are very important it keeps the money flowing to the casinos by recruiting new players.
The risk associated with affiliate earning and other micro earning is becoming high lately and just like it happen in the ops situation something can also happen to other commission payments, and even though there are no written rules to guide the casino and the affiliate marketers, its remains unethical for for a platform to just reversed their payment rate and slashiimg it higher than 20%-30% is quite an unrealistic event and maybe the owner of the casino just decide to discontinue or reduce the take home, people.