Unless for scam casinos who may deliberately lock a person out and for some reason to scam the gambler such as in cases with 1xbits unless that, if not KYC is a prerequisite for higher wagerers.
There's nothing to doubt about that, there are untrustworthy gambling casinos one must surely avoided when choosing which to use while gambling, there are many gamblers encounter with some casinos whereby they will have to lock and ban their account just in other to ensure that they were unable to make withdrawals of their funds, some will even place demands in asking the gambler to make deposit or pay a particular amount for violating the rules as sanction.