But then they probably aren't going to do well in life either, unless they have a caretaker.
But the next level down, the level who can read into the test the meaning of what the test writer intended, these people will go far because they can think at multiple levels and apply it. Which occasionally means dumbing down for the audience.
Which really is the truest test of intelligence, isn't it? At least in the ability to survive in a society of people who don't like other people who are too smart.