The problem is that a ruling like that does nothing to address the actual issues and instead punishes only the one party who did nothing wrong. (A) is incompet

The problem is that a ruling like that does nothing to address the actual issues and instead punishes only the one party who did nothing wrong. (A) is incompetent at managing their own reputation, (B) chooses not to communicate in a civil manner, (C) is incapable of forming their own opinion, so reacts negatively to (A) based on (B)s comment, and the one that gets punished for it all is (D).