Seems like they're having issues:
https://www.theregister.com/2024/09/04/starlink_performs_a_1...
https://apnews.com/article/brazil-starlink-x-block-complianc...
> Elon Musk’s satellite-based internet service provider Starlink backtracked Tuesday and said it will comply with a Brazilian Supreme Court justice’s order to block the billionaire’s social media platform, X.
> Had Starlink continued to disobey de Moraes by providing access, telecommunications regulator Anatel could eventually have seized equipment from Starlink’s 23 ground stations that ensure the quality of its internet service, Arthur Coimbra, an Anatel board member, said on a video call from his office in Brasilia.
Why? Elon Musk considers deadnaming to be acceptable, hence Twitter - as the original given name - is here to stay.