Segregation is the easiest path here, similar to how centralization is simpler than a peer-to-peer system. But it's just an incentive among the many, so there's

Segregation is the easiest path here, similar to how centralization is simpler than a peer-to-peer system. But it's just an incentive among the many, so there's no reason to reach that extreme. For example with GDPR, some American news sites just flat-out deny serving the pages to European IPs, but not all of them - many show a different presentation (like NPR), or otherwise tailor the website to make it compliant.