The fact that you can't suggest that there's a problem with the global economic system without someone jumping up with "BUT CUBA/VENEZUELA/NORTH KOREA" is the kind of brain-dead discourse-bullying which means we don't come up with any good global solutions. To try to drag it on topic, it would be like the FFA arguing that the only alternative to them running the A-League was Clive Palmer.
A mix of Capitalism and Socialism is what we want, and global trade needs to be a big part of that.
It has a name:
https://en.wikipedia.org/wiki/Social_market_economy
They may don't have the GDP growth, but they when the shark hit the fan, they are always better off.