In general, it turns out that gambling players who want to remain anonymous for various reasons are left to choose casinos that are not very reliable and not too well-known, which indeed increases the likelihood for such players to encounter fraudulent casino sites. In this I see clear discrimination against anonymous players. And for some reason everyone thinks that non-anonymous players are somehow “more correct” than anonymous players.
But this is completely wrong and this discrimination against people based on the principle of anonymity/non-anonymity, in my opinion, should be stopped.
Moreover, this must be done at the legislative level.
What kind of law can achieve what you propose though? So you will allow anonymous/VPN users to register multiple times, but make sure there is adequate cheating protection that somehow must be able to detect that one account is connected to the other through chain analysis? Wouldn't that mean they don't fully respect the users' privacy too? I've never heard people suggest that anonymous players are "wrong" or something similar, but you need to realize that these businesses probably don't want to spend more on filtering accounts so they just ban tools like VPNs. If you still risk it and win it big, there is a high chance thy will just "scam" you. I doubt a government cares about users' privacy so hoping they make a different license for that is kinda cope.