communist nations have been defeated by capitalist hegemony multiple times throughout history, mainly during the Cold War
You are aware of the many attempts in different countries to leave the USSR, right?
All of them were violently shut down, that's why the system was able to keep going, but without violence against their own population the USSR would've collapsed much earlier.
Cars should not be street legal. If I can get a ticket for not wearing my helmet, why do cars get a pass?