You're right, of course. However, the Constitution provided that Americans are sovereign. There is no crown in America. This means that property taxes have been unlawfully imposed, and land patents remain potential if folks do the work to ferret them out. At some point fee simple deeds were imposed that replaced allodial title, and by complete discovery of chain of title the original allodial land patents become restorable.

This isn't cheap, and won't be unopposed, but in almost every state in America it can be done.

Thanks!