FTFY: If you are a business open to the public, you can discriminate based on gambling skill the same way you can discriminate against other types of customers, so long as the basis is not a legally protected class enumerated in public accommodations law (for most businesses), or the specific law applicable to your business (for businesses in industries with indistry-specific anti-discrimination law instead of being subject to general public accommodation law.)

Gambling skill isnt a protected class

This was a reply to the parent comment about how such a law would work, not what the status quo is.

And Atlantic City casinos can’t legally kick out card counters