Some people aren't very skeptical at baseline, it doesn't mean that those concerned about the ability of others to recognize AI are disparaging people based on intelligence.
For example, some people can be very intelligent, yet not be discerning of information that resonates with prior biases. You see this in those who are devoutly religious, politically polarized, etc.
There is reason to believe that such biases will lend to ontological misinterpretations from algorithmically generated information.
You can see mistakes in interpretation on a day to day basis by the population at large. There are swaths of widely held beliefs that aren't based in truth. Pretty much anyone is likely to believe at least some stereotype, folklore, urban legend, or myth.