The binary set-up creates false 'noise'. The moderation could be more neutral (and more intelligent, frankly ) but more so it could help shape an argument rather than 'tidy' . Sometimes the mods seem to be machine bots reacting to single words and not context. Overly dependent on US English and US culture. Commonly held, but None-USA , thoughts are challenged to the point of attrition but others are allowed as unsupported, and unchallenged, statements. It would be dangerous to encourage students to access this.
