Discovering that someone you previously perceived as intelligent is not as smart as you thought can be an unexpected and enlightening experience. Often, this realization occurs when the person consistently displays a lack of critical thinking skills, demonstrates poor judgment, or fails to understand complex issues despite repeatedly presenting themselves as knowledgeable. A specific moment might crystallize this realization, such as witnessing them make a particularly misguided decision or noticing that their understanding of subjects they claim expertise in is superficial.
For instance, you could be having an in-depth conversation about a topic they profess to know well, only to find their insights lack depth or are filled with inaccuracies. Alternatively, they might repeatedly fail to grasp new concepts while showing an unwillingness to learn, suggesting a closed mindset often uncharacteristic of truly intelligent individuals. Over time, these patterns become evident through consistent behavior that contrasts with your initial impression, leading to the understanding that they might not possess the level of intelligence once attributed to them.