A valid accusation will bring down no matter how big the brand is, but fake allegations will not do anything other than add stress to forum representatives of the respective casinos, and to some extent the support team members.

Each scam accusation here on bitcointalk will show how trust worthy a casino can be based on how they respnd and how much they are willing to resolve the matter if there's any mistake on the casino side, no one can be 100% perfect all the time.