> Slack's data access policy is basically "No."
For being a blog post about problems with Slack's policies, it's odd that it has no details whatsoever on what the issues actually are.
they dont let you extract messages via the API. Keeping Slack message data in their walled garden
Yes - and I have never actually needed data access anyway.
I treat Slack as mostly ephemeral, and any real knowledge should be put into source control.