The manager is the most important person at a club. He has to be charismatic, the leader, motivational and quick thinking.
A good manager can make a team be more than the sum of their parts and can get average players to perform above themselves.
Smith has been none of those things. He has come across as a lovely man with potential who just wasn't ready for the premier league. The problem for this club is that the powers that be at the club didn't think this was a problem and that's my worry long term.