If you found such a place, and word got out, enough people will join in on the conversation, and the possibility of nuance will diminish and be eventually lost.

If you found such a place, and word got out, enough people will join in on the conversation, and the possibility of nuance will diminish and be eventually lost. Heck, I've had a hard time teasing out the nuance of some of my points when debating with a single friend over phone. For almost two hours. This sort of thing only really works in high trust situations where everyone assumes good faith all the time.