Perhaps experts are sometimes to learned in their area to spot simple trends - the same as how another person reviewing a piece of work you have written is able to spot mistakes that you couldn't see. Tetlock's group was also probably able to be more accurate as a result of the variety of the people involved, and we can see even in the recruitment of graduates nowadays that many companies are looking to recruit from many different backgrounds, who approach problems from different perspectives, rather than sticking to 'tried-and-tested' methods.
Perhaps experts are sometimes to learned in their area to spot simple trends - the same as how another person reviewing a piece of work you have written is able to spot mistakes that you couldn't see. Tetlock's group was also probably able to be more accurate as a result of the variety of the people involved, and we can see even in the recruitment of graduates nowadays that many companies are looking to recruit from many different backgrounds, who approach problems from different perspectives, rather than sticking to 'tried-and-tested' methods.
Yes, you are bang on the money there, Caroline.