demonstrating that his removal was driven by politics rather than violations of user policy.  I imagine that Twitter probably has a clause along the lines of, "We reserve the right to ban whoever we want for whatever reason" as most online platforms do, which in turn would mean that he wouldn't need to violate the user policy to be kicked off. Doesn't change that he can request the information they have on him, but as long as twitter made sure to include something like that they don't need to show him breaking any rules to kick him off of their free platform (would be a different story if he was paying or something as then they would be beholden to certain agreed upon rules if they wanted to keep his money or whatever).