A bar owner that does not follow the instructions of the authorities is going to find their bar closed in short order because they have to comply with the law and with instructions by parties authorized to give them.
To paraphrase the trope that those that don't like Twitter are free to create their own: if you don't like the way society works then you are free to create your own. On Mars or something.
Twitter needs such entities to survive. Displeasing then is more existentially threatening than running afoul of the FBI.