It's very clear you do not have a grasp of Marxism or Communism. You'd know that the worker class is only one.
Theoretical aphorisms can't override the facts of recorded history. If the harsh border control and cultural isolation of the East Bloc ran counter to Marxist principles, then you can complain to the dead leaders of the USSR, but that's about it.
Theoretical aphorisms can't override the facts of recorded history. If the harsh border control and cultural isolation of the East Bloc ran counter to Marxist principles, then you can complain to the dead leaders of the USSR, but that's about it.