I don't think it's state sponsored, if anything cuban authorities just turn a fat eye. Regardless it is extremely cool, cubans not only watch whatever is on netflix by sharing drives, they also have wired extensive WANs themselves just to play online games like DoTA, I wouldn't mind doing that kind of shit for a living. Let me dig if I can find the youtube video.

Here we go, Havana's StreetNet, it goes relatively nitty gritty too. No Vox Johnny Harris shit either

https://youtu.be/lEplzHraw3c