What are you even talking about? That's completely unusual. Requesting KYC repeatedly in a short period of time never happened to me and I have played in some of the best crypto gambling sites out there.
While I would not necessarily classify KYCing two times in a month as "repeatedly in a short period of time" -- assuming the same scenario has not persisted further.
Let's also keep in mind that the user in question had a particular case and such scenarios are probably treated in a case by case basis.
Please be informed that your account has been flagged for suspected bonus hunting and fraudulent activities, along with IP address matching with 51 other accounts.
Please create a glaf against this casino so everybody can be warned. It is a blatant scam.