We're all idiots!
Which is why there's different levels of intelligence.
IQ measures just this. You're tested in all the major fields, on the way your brain works, etc, and it determines if you can communicate effectively.
Being able to communicate effectively is probably the most important trait of intelligence. For, even if you know everything in the universe, there can be no judging your knowledge if you do not have the ability to prove such intel.![]()

