Most casinos require KYC for regulation purposes, and also for them to avoid any legal obligations just in case you are playing in a country where gambling is restricted. There's no way to avoid KYC if the casino you chose requires it, there are some casinos where KYC is not mandatory but casino owners might require it due to some circumstances. Also falsifying your personal information might cause you a problem in case they ask for further verification. It's either you avoid casinos with KYC or just simply comply with them.