I'm wondering, as well, if no archival leads to freer discussion with less fear of saying something stupid that will live forever. And if that's worth anything.

I'm wondering, as well, if no archival leads to freer discussion with less fear of saying something stupid that will live forever. And if that's worth anything. Maybe it depends too on whether Slack is used strictly as an impartial way to coordinate professional communication, or if it is also social and informal, which the parent article has some interesting points in favor of.