China may be the biggest and most sophisticated experiment in history along those lines.
A Chinese university is dumping intellectual freedom from their charters yet China hopes to be the world’s top AI power. Is there a contradiction here?
The central weakness of totalitarianism is that it exalts the powerful lie over the fact. But nature doesn’t reward that behavior. It may take a long or short time for the system to collapse (and other systems can collapse for other reasons). But the insistence that 2+2=5 if the Party says so is a lethal flaw.