coachKidsSports.com

THREE. There is a danger (a considerable one, based on the evidence so far) that over-coaching can promote an atmosphere where the pro athlete's brain neutralizes his physical gifts rather than augments them. - Matt at Battle of Alberta

That's the fine line of coaching isn't it.  As a coach you need to teach, but you want your players to react instinctively rather than think.  The teaching process takes time — something you don't have much of as a rec league coach — which is why it's a good idea to narrow your focus…