They certainly can on Business and Enterprise plans. There’s some lip service to following employee policy and applicable laws, but if the policy allows (most do), and you’re in the US, the admins can do it.

Or a coworker with an ax to grind.

I agree. We have a leadership channel at work for well, the leadership team. Those conversations are sensitive. Evaluations, hiring bands, salaries, future product planning, markets, funding, etc. Access to that channel is strictly controlled. I am not worried about anyone taking a screenshot. In the case of allowing an AI agent to participate in the channel, I would be worried about that AI using information from that channel to answer a question outside of that channel. Keeping the agents "learnings" clearly behind a "firewall" would be of great importance.

Beyond that, the team are free to have private conversations between themselves. This is NOT something we log. At the end of the day, hiring good people and trusting them is important. The logic of making sure the AI does not leak those conversations also applies.

It is a new world, re:AI. It has its uses and things are changing at a rapid pace. It is not clear to be the protections we have implemented in todays paradigms are well implemented yet in the new AI world.

I programmed back then too so cheekiness applied mostly to me.