It's not relevant what it's intended to do, but what it does. If it makes long conversations hard, that's a con. (OTOH, if it avoids heated exchange, that's a p

It's not relevant what it's intended to do, but what it does. If it makes long conversations hard, that's a con. (OTOH, if it avoids heated exchange, that's a pro. I don't really have a strong position one way or the other.)