Great read!
I only played football growing up, but have played other sports competitively and coached at high levels.
Encouraging confidence to make mistakes and be comfortable with making mistakes is an incredibly important part of coaching. So many coaches stop everything at a mistake and dissect the mistake, yet lose the vision of what the player was trying to do. My final year of playing volleyball I played for a coach that just let us play, would stop a drill or gameplay if there was a technical thing that needed to be addressed, but would never stop something solely because there was a mistake.
It was the most liberating and the best learning environment for me as an athlete.
If you become consumed by your mistakes then you are unable to execute even the simplest of skills.
Great post!