If it's just a matter of turning off device-level notifications, then I agree (my office used MS Teams, not Slack). But actually blocking people so that you don

If it's just a matter of turning off device-level notifications, then I agree (my office used MS Teams, not Slack). But actually blocking people so that you don't see their messages at all, or that they know they've been blocked? Not an appropriate feature for an internal comms tool IMO.