It's great for him but it's one of those times where you shouldn't really listen to the. 0.0000001%. They are an outlier. You're much more likely to to have a better happier life if you work on accepting yourself as you are and learn ways to deal with your stutter. I decreased my stutter the most by accepting it and trying my best to be OK with stuttering. Working to reduce the anxiety that was a self causing loop has had a huge impact on my life.