Well if that was the issue ,then he clearly needs to go back to ground school
He should have known that it is impossible to open a door in flight .
But yes it's a total double standard .
Look at what happened to the chief pilot of the Seattle fly by incident . so will this be judged in the same light .?
The major issue now becomes , how will he ever be in a position to discipline a crew member for any minor infraction of the rules ?