[jackson1442]

Name changes can be locked; I'm in an Enterprise Grid org and our display names/usernames are synced against our employee profile. We're also required to SSO every single time we launch the desktop app so once you're terminated you're definitely not getting back in (they deactivate accounts very quickly too, so mobile is likely not a major concern).

Basically the only thing you can change without filing a ticket is your picture and some mostly-irrelevant freetext fields.

[KennyBlanken]

How does an enterprise chat tool not have the ability to invalidate all session tokens and all connected clients to disconnect?

[sli]

Perverse incentives. People are paying them already without that feature, so why bother? They are incentivized to do and provide as little as possible.

[michaelt]

https://api.slack.com/methods/admin.users.session.invalidate ?