The article explains the concept of the Dunning-Kruger Effect, which states that individuals with low intelligence or skills tend to overestimate their abilities. The study suggests that the reason behind this phenomenon is the lack of metacognitive skills, which are crucial for self-awareness and accurately assessing one's own competence. The article highlights that such individuals often fail to recognize their incompetence due to a lack of knowledge and understanding, leading them to mistakenly believe they are more intelligent or capable than they truly are.