I was listening to this young man speak and he had so many words of wisdom. But one thing he was very clear on was his haters. He said he had many growing up and what he did was very cleaver. He said that a hater will try to make you weak, so he became stronger from their words (and their actions). IF they said he couldn't he only tried harder to succeed. He said his haters were more of a inspiration rather than a downer. He said he could have given up many times but he pushed forward because he would not ever allow anyone to push him to be behind.
I think this young man has the right attitude and wish everyone would become stronger from words of hate instead of weaker. When I have someone who gives me a negative comment (yes I have/had many) I just pushed harder to show them I could do it. Trust me when you stutter and have a speech impediment you are subject to a lot of verbal abuse and many days alone (or at least I was when I was a young child).
Don't allow the haters to win.. WIN the fight and fight to win!