California now has a low that is similar to the EU law in many ways, and other states will soon, so those sites will soon have to block Americans as well, based on where they live if they can determine it, and soon they'll have to just give up and follow the law.
You're talking about CCPA, and I completely agree, GDPR-style privacy regimes are clearly the way the regulatory world is moving. It's just a matter of time at this point.