Because the original point of it was to distinguish journalists and public figures, so you could tell imposters apart from real people. Now its purpose is to show who has a premium subscription. Totally different feature using the same name.
Yes, "Twitter". If Elon Musk can publicly abuse, humiliate, lie about, deadname, and misgender his own daughter to his millions of followers, than I can deadname Twitter.
Unless you mean deterministically ultra-fascist.