Although you're correct that this occurs (and is likely the case of those with these abilities greater than 9/10 if I had to guess without any data), there are

Although you're correct that this occurs (and is likely the case of those with these abilities greater than 9/10 if I had to guess without any data), there are definitely savants out there like Kim Peek unusual brains that allow them to do all kinds of things. I think that's all the other commenter was talking about.