It's like looking at a dyslexic person and saying it's just a matter of self control when it comes to reading. It shows a profound lack of understanding of the issue.
I'm severely dyslexic and to a certain extent overcoming it is a matter of self control. Reading and writing were very difficult for me in elementary school but I overcame it to where I am a functioning member of society by years of hard work. Sure it is easy to make excuses for what ever genetic cards you were dealt but that really doesn't get you far in life.