I think you have to persuade them. I won't win any favouritism medals here, but I think the Coaching Association of Canada wields way too much power. Their 24-hour or 36-hour weekend learn to coach program isn't enough. You don't learn how to teach kids. You don't learn what is necessary. You learn the basic minimum.
I'm one of the facilitators for swimming at level 3. Do I teach them how to be better teachers? No. It's giving them the background, and then you have to go out. Swimming tends to be professionals. If you're not good at it, you don't keep a job.