What is the difference between fiat social media and social media in this case?
Discussion
Fiat = by decree.
If you are on a platform, you are on said platform by decree. The king in charge can ban you or refuse to host you in the first place.
The King says "I allow you to be here, and you can only speak because I allow it." That's fiat social media. All social media that is not running on open, permissionless protocols.
Language is the ultimate platform.
No. Language is the ultimate protocol, and money is the language of commerce, which is in turn the peaceful alternative to war.
This would also hold true to nostr clients on app/play store.