It tells you a lot about the cult and why they love him Philip Bump reads Trump’s social media so you don’t have to. And his analysis of what it tells us is right on: Truth Social is a weird place. The social media site started by Donald Trump (or, really, by tech-savvy people working for him) is not formally oriented around Trump, but it is in practice. It is largely populated by Trump fans and allies who use the site to orbit Trump like asteroids circling the sun. Trump uses it differently, injecting rhetoric and framing into the national conversation. Nearly every one of his posts triggers the same response from the site’s users: a flurry of pro-Trump, anti-Biden memes tacked on to Trump’s missive. It’s feudalistic; when the king emerges from the castle, the serfs compete to offer him their wares in the hopes that — glory be! — he might lackadaisically bless them with a reshare. All of that, the context for the site, offers insight into how Trump approaches power. But one post in particular, offered up by Trump on Wednesday evening, was even more revealing. What grabbed the most attention was Trump’s announcement that he was excommunicating donors to former U.N. ambassador Nikki Haley’s campaign from his political circle. “Anybody that makes a ‘Contribution’ to [Haley], from this moment forth, will be permanently barred from the MAGA camp,” he wrote with his idiosyncratic punctuation and capitalization. “We don’t want them, and will not accept them, because we…