I think the need is there, at times is hard
to know it or acknowledged that you might need help(metal), is like a regular coach you need an outsider to see whats wrong or right when you fail to see it or act on it.. Many times pros have failed to make it because they crack.
I think juniors at the highest level need it, since everyone reacts differently to stress (competition).
Same reason some athletes just quit, for no apparent reason when they are close to the goal, or sabotage it.