The ideological gap between the various left wing ideologies is far wider than that within liberalism and between liberalism and the far right.
And that’s without consider how much people here love telling each other to ‘read theory.’ A term which encompasses an ever larger number of books.
Medieval kingdoms did similar things to Jews. Supposedly sometimes it was a stupid attempt to curb anti-semitism; because if the jews were crown property than a pogrom is an attack on the crown. Naturally the next king would ignore this context and expropriate Jewish property because it was ‘his.’