The Grandin book looks interesting, but this excerpt just seems lazy.
There is also the recent research on grit by Angela Duckworth who is demonstrating that success depends on perseverance. That observation probably seems pretty intuitive, but she's demonstrating it with research. The "I was hopeless" reaction to something hard is just a failure of grit. The author has no idea how they would do if the ground it out through the really tough parts.
I also find that when I talk to people about this they are often very resistant to this model of essentially talent-free skill development. It makes a lot people uncomfortable, and just seems wrong to them. I think maybe the notion that it's all innate talent absolves them of the need to work hard to develop advanced skill. Instead nature capriciously doles out talent and that's the story of why I'm not ...