Equally, it doesn't say he has. When I interview for new staff, outward appearances and personality are the first, and often most powerful indicator of how the session is going to go, not the only one considered in the final reckoning of course, but a powerful influence nonetheless.
You do realise that man management requires that the manager have an inspirational and commanding presence...... it serves to deliver the message, in the right manner.
Wind your neck in.......
Yes, he should go, he has a hang dog look and manner that I think is rubbing off on the players, younger, more dynamic please, especially as there is green shoots of a new generation of young players starting to push aside the old guard.