-Is there a possibility that spectators of a sport like you and i with no professional training can develop a better understanding of a sport than some professional coaches of some teams?
Yes a spectator with no formal training can develop a better coaching skill than a trained coach and this happens when this spectators develop so much love and passion for the kind of sports they watch. Now as a spectator who has followed a certain sports for years and have a club which you fan you will know the strength of the team you fan and will know how each of them perform and even which wing each of them play so when there is a wing switch or poor performance those spectators would know better how to play and which formation would have been preferred
Haha. Let's invite some fan to be a coach of a soccer club and see how the team will play after a few training sessions with a new coach. I am absolutely sure that we will not see the best game of the team as to manage a team you need not only a license, a good knowledge of each player of yours and the opposing team you need to be able to manage the team and be a real mentor for them, which is not as easy as it seems.