Otherwise, people can be mistaken about what they really want, or what the facts prescribe (given their values).
The fact that people can be mistaken about what they really want is vanishingly small evidence that if they were not mistaken, they would find out they all want the same things.
The fact that people can be mistaken about what they really want is vanishingly small evidence that if they were not mistaken, they would find out they all want the same things.