Presumably Apple has restricted the entitlement processing to disallow downgrades/SIP bypass of the boot OS? Personally I'm fine with requiring recovery mode fo

Presumably Apple has restricted the entitlement processing to disallow downgrades/SIP bypass of the boot OS? Personally I'm fine with requiring recovery mode for downgrades, and maybe for blacklisted upgrades as well. IIRC they do something like revoking/disabling old iOS installers, but that seems a bit extreme for macOS.