Everyone of us have different perspective in our life like in gambling industry there are many gamblers who want to gamble in the casino who don't ask KYC it because they protect thier privacy and to remain anonymous.
Different perspectives will give different values to each casino. If they are concerned about privacy and don't want to touch KYC at all, then use gambling that implements Web3 which is currently starting to appear, using only the Metamask Wallet without the need to log in with a username or anything.
Using crypto to be able to do gambling and is anonymous and does not require any identity.
But the risk of being scammed is quite high if you don't do research on these gambling sites.
But some gamblers gamble in license casinos even though they know that casino will ask some of thier private information in order to withdraw their winning money.
And gamblers who want to play at licensed casinos and implement KYC will be safer from money laundering crimes and the like.
But you must attach KYC documents for the main requirements when you want to make a withdrawal.