I don't think think is entirely true, truth social was just MAGA echo-chamber, Bluesky has a much wider net - i see a lot of academia, tech, artists, environmentalists, a lot of small communities there - some have migrated completely over there
tbf some of these products are simple features like the youtube stories one, if you made a similar list for a large web company (like Meta), that list might just be as big
Hope this gathers more momentum - crazy that Apple/Google charge 30% of the subscription, especially for competing products.
I'm the founder of a fitness app on the app store - a product that Apple offers. So on top of them having the home team advantage on the os/app store and Apple's name recognition, they're killing their competitors' margins.