Facebook is being sued by the US Federal Trade Commission along with dozens of states, alleging the social network of illegal monopolization and anticompetitive conduct.
https://www.slashgear.com/ftc-sues-facebook-for-illegal-monopolization-instagram-and-whatsapp-at-risk-09650464/
https://www.slashgear.com/ftc-sues-facebook-for-illegal-monopolization-instagram-and-whatsapp-at-risk-09650464/