Their terms and conditions are lengthy enough to read which make a user annoying and that's why most of people just quickly agree with them, don't care what is written in those. But i think people should atleast read or should knowledge the some important thing about that casino like about KYC system, VPN is allowed or not and their policy while withdrawal fund. I use to read such thing. And then i check about blog and YouTube videos if they have any serious negative issue or not. I think such information should be checked before joining any Casino. If everything looks good then its good to go.
In my opinion vpn effectiveness is totally useless but kyc verified will play an important role in making your account strong. Because you may have a large amount of money stored on a gambling site so you should use kyc to keep your account more secure and safe. But everyone checks such information before going to a casino site. In fact the more user-friendly these gambling sites are so the more interested gamblers will be and these factors are enough for a long-time casino use.