Someone did a linguistic analysis and demonstrated that there are two writers of Trump's tweets. Trump's were all the crazy ones, his handler's were all of the moderate ones and the ones that walked back what was said previously.
http://www.businessinsider.com/realdonaldtrump-data-suggests...
a handler is somebody who makes the blue check feel comfortable on the platform, e.g. banning people who disagree with them
https://www.washingtonpost.com/news/the-intersect/wp/2017/10...