It doesn’t matter how good a coach you have, because when you cross the white line it’s all down to you. No coach can play for you. You have to learn to understand your own game because you can adapt to the changes proposed by your coaches.
But in today's cricket world, a keen self-understanding is uncommon.
Meanwhile in the academic world the opposite is true. Schools and Universities specialise in teaching skills then measuring how well you have learned through exams and coursework.