nostr:npub19qm2trjs3p32nwqwry4ufxl4fk9q4utkq53ywueg0yk8cvggra5s79sn8k Playing a devil's advocate here.
What if there are other factors? After all, Chinese regulations ARE draconian, yet China can have quite a few "very large online platforms".
What do China and USA have in common? Large population, with common language and common context.
Can it be a factor that makes it easier to accumulate critical mass?
(Example: you can find a lot of Americans willing to discuss political issues but do Spaniards care about Dutch elections?)