Because there 'intelligence' is of the kind that hasn't been earned through hard work, trial and error or general risk. It was parroted to them from their social/media/geñder/africàn studies lecturer where their only test of intelligence was whether they could read it and correctly parrot it back without deviation. All they had to do to get their first was provide a written confirmation bias to their lefty lecturer that they read and understood his/her version of events. These people have simply been tricked into believing they are intelligent... and how easy it was.