You should check out Radio Free Fedi: “sound from the fediverse to the universe, celebrating sound, agency and avoiding walled gardens, supporting fedi artists”
https://radiofreefedi.net/
Short answer : Enshittification.
Long and brilliant explanation here : https://www.wired.com/story/tiktok-platforms-cory-doctorow/
You should check out Radio Free Fedi: “sound from the fediverse to the universe, celebrating sound, agency and avoiding walled gardens, supporting fedi artists”
https://radiofreefedi.net/