If those new regulations are passed they will affect not only fiat casinos but cryptocurrency casinos will have to eventually follow them as well, do you agree with this idea? Would you like to see casinos to be fined more often for the practice of only asking for personal information from winning gamblers or do you think this will have a harmful effect on their finances?
From the very first place, fiat casinos really mandate KYC even not for big winnings. Therefore rules and terms referring to verification should already be expected by all users. Referring to crypto-casinos on the other hand, KYC might be a mandatory requirement in the future due to regulations.
But for now, we shouldn't really bother with KYC-related stuff on crypto-casinos as most of them don't require KYC and users can still be free to play anonymously. However though on big winnings, always be ready that some sites must really ask for KYC and we have no choice but to accept it as regulations are now touching the crypto-gambling sites.
More importantly, just always refer to their Terms and Regulations to know more about how KYC will be imposed on that said crypto-gambling site.