” An exit visa renders your passport meaningless and will prevent you from traveling until you satisfy certain conditions and obtain (pay fees to boot) permits and approval stamps from a number of departments that may take months if successful.”
This will hurt trade to no end.
A typical outcome of Communism. Ending freedom of anything is their ultimate goal to enslave populations.
None of the Communist-wanna-bes can possibly answer the question: can you give one example of where Communism succeeded?