I'm not sure how better athletes would bring more competent coaches to the game.
Of course it would. If soccer were THE sport here, as it is in basically every country in the world (countries that matter at least), all of our sporting resources (including better teaching/coaching, better fans, better facilities/infrastructure, everything) would be dedicated to it.
i think he's stating that if soccer were the sport that demanded our "top athletes"
Key word here is demanded. If our country cared about the sport and didn't have our BEST athletes split between football, basketball, baseball, things would be different. Don't get me wrong, the guys we have on the national team are good athletes, but nowhere near the best our country has to offer. America churns out more elite athletes than any other country in the world, by far, and if all of our amazing resources were applied to soccer, we would dominate like the world has never seen. Just my opinion. I don't buy the popular argument among soccer diehards that having enough good athletes isn't the problem, it is THE problem. It's amazing that we compete as well as we do considering we are competing against countries that dedicate all their #1 resources, while we are basically dedicating our 4th best resources, if that makes sense. I'm not saying you could just throw Chris Paul or Reggie Bush out on the field, they would be good soccer players. What I'm saying is that if those type of guys, and other, picked up a soccer ball instead of a basketball or football when they were 5 years old, it would be a game changer at the highest levels.
It also doesn't help that our league is garbage, compared to the rest of the world. Once the MLS becomes elite, if ever, things will start to change. I understand these are a lot of hypotheticals and "if this, then that" statements, but thats kinda of the point of the argument isn't it.