Not getting the job surely sucks. The reddit post smells like a burning bridge. Maybe this is a one off. Maybe a pre-onboarding background check indicated it

Not getting the job surely sucks. The reddit post smells like a burning bridge. Maybe this is a one off. Maybe a pre-onboarding background check indicated it wasn't. That might have been no more than senior management asking their professional network. Of course in fairness Canonical might do this all the time.