> I kinda like this angle. While Slack makes an effort to work basically everywhere with low effort, I wonder what would follow if it wasn't the case.

This idea of respecting user preference is not the way, though. For example, back when Skype existed, you couldn't remove its icon from the macOS menu bar, because (1) Microsoft didn't believe you had the right to choose to remove that item, and (2) macOS believes an app developer should have more control over what goes in my menu bar than I do.