Correct decisions with limited conscious cognitive abilities

I am often surprised by the correct decisions of at least one person with a very limited verbal reasoning capability. Perhaps there's an explanation:

Gordon's Notes: Better decisions without the prefrontal cortex

... I wonder if this goes some way to explaining why some children and adults with poor prefrontal cortex functions (low measured IQ, severe ADHD) may make surprisingly correct decisions given complex problems. If their unconscious reason is less impaired than their PF cortex ...