The Cuban economy today is a shadow of what it was before the USSR fell apart, which makes it a moot point to claim they are dysfunctional despite foreign support. The Soviets successfully managed to keep Cuba afloat. Not that that constitutes a ringing endorsement for the Cuban system.
That’s part of my point. They were a basket case with a ton of free support, and still are while trading with China and Europe. It’s just ridiculous to blame the embargo as ridiculous as the embargo is.
If you read what the Soviets had to say about the Cuban government it’s pretty damning.