Non-KYC will be something you regret as an operator. You will find you need a large security department to relentlessly deal with scams etc. You'll be astonished at how much scams etc you have to deal with even with KYC.
KYC operators are seen as having more integrity too. Non-KYC are seen as shady operations generally.
Exactly, However they can dodge this scammer if they will not offer a bonus that can be abused easily by players. They can increase the wagering requirements or lower the house edge to attract players to play even without bonus.
But I agree that KYC is vital to protect casino business not only from scammer but also from the law since it’s a requirements from AML policy.