This is an issue already dealt with at length in existing case law, and is largely unrelated to the case at hand because @realdonaldtrump is not a place for announcing community events or road closures, and the censorship applied there is not viewpoint-neutral.
Relevant quote from the article: The president has admitted in the lawsuit that he blocked them because he objected to the viewpoints they expressed in replying to his tweets or in their own tweets.
The reason EFF describes that as an "admission", is because it makes the question you raise irrelevant.
Relevant quote from the article: The president has admitted in the lawsuit that he blocked them because he objected to the viewpoints they expressed in replying to his tweets or in their own tweets.
The reason EFF describes that as an "admission", is because it makes the question you raise irrelevant.