The modern patterns of land ownership in Britain are due, basically, to a Mad Max world of taking what you want and having "rights" only to what you can defend

The modern patterns of land ownership in Britain are due, basically, to a Mad Max world of taking what you want and having "rights" only to what you can defend by force against all comers. Perhaps a compromise in which property is protected but the protection comes in exchange for some limitations on how you can use it... isn't actually the end of the world?