We're in the same boat - fortunately we're a small company so it's not going to be brutal to switch if we have to, but we're huge fans of the privacy and encryption features and it would be a disappointment to have to go back to the old standards of Slack or Teams.
It's surprising to me you'd switch to a new platform because of this when it still works on the desktop. You could install it via F-droid or an APK, use alternative frontend app or you could even just use the web interface.
