Human stupidity:
1. Ignore specific evidence:
The "functional idiot" only accepts the evidence that confirms what he already believes, discarding the others as manipulation, ideological agenda, official narrative or simply "your opinion". He can be shown data, statistics or studies, and he will respond with information from TikTok, WhatsApp or third-party stories. This is not naivety, but an emotional commitment to his version of the facts, where the truth is not discovered, but is defended. It filters the information according to the level of discomfort it generates: if it hurts it is false, if it reassures it is true. He believes he is skeptical and rational by rejecting data that confronts him, which is a form of self-deception.
2. Hasty generalization:
Here, the "idiot" builds his own logical universe based on an isolated personal experience and presents it as a great truth. For example, a bad experience with a woman means that "they are all like that," or the dismissal of a cousin in a company implies that "all companies exploit". This generalization is done with a theatrical authority, without reasoning, only projection. His experience becomes the norm, and everything that does not fit is discarded as irrelevant. Often, it is not even an experience of its own, but something heard, read or seen in a video. His true criterion is emotional identification, not contrast or logic.
3. Unresolved cognitive dissonance:
When an idea that he strongly holds contradicts another that he also considers true, the "idiot" does not correct; instead, he justifies, accommodates, rationalizes or invents a new story to maintain his peace with himself. A classic example is the one who believes that all politicians are corrupt but defends to death the one who votes, or the one who values science but shares WhatsApp chains with "magic recipes." To achieve this, repeat phrases such as "You have to see all points of view" or "The truth is in the middle," seeking to avoid the mental effort of reviewing their beliefs.
4. Dunning-Kruger effect:
This attitude is not passive ignorance, but a disproportionate confidence in one's own abilities. The "idiot" not only doesn't know, but he doesn't know that he doesn't know either, and that's why he thinks, teaches, corrects and advises as if he were an expert in everything. He can explain economics without having read a book or argue about mental health because of his "street experience." This combination of ignorance and security is dangerous, since it generates an illusion of competition that is difficult to combat. He tends to overestimate his ability and be unable to recognize the ability in others.
5. Group thinking (ideological refuge):
When personal self-deception becomes fragile, the "idiot" seeks validation and belonging to a group. He no longer reasons, but adapts and repeats what everyone says without reviewing or nuanced. He prefers to be right with his "tribe" than to be wrong in solitude. This generates a shared, validated and reinforced stupidity, where dissent becomes betrayal. If the group creates an idea, the "idiot" defends it, even if it is absurd or contradicts reality.
6. Blame the messenger:
When the information makes him uncomfortable, the "idiot" does not attack the argument, but the one who exposes it. If you criticize his guru, you are jealous; if you expose an inconsistency of his ideology, you are sold out. No debate to understand, but to survive within his own story, turning those who confront him into a personal enemy. This transforms dialogue into an emotional war, where there are no ideas, but sides, and there are no disagreements, but betrayals. It is justified with phrases like "It's not what you said, it's how you said it." He lives in a state of permanent defense, using conflict to strengthen and radicalize instead of learning.
7. Player's fallacy:
It consists of the belief that reality balances itself; that if something has gone wrong many times, eventually it has to go well. The "idiot" confuses chance with a "cosmic debt", believing that the universe owes him something for insisting. This applies to important decisions (financial, love, ideological) where a failed strategy is repeated expecting different results. It doesn't look like idiocy, but perseverance or conviction, which makes it difficult to eradicate. This fallacy maintains the cycle of errors because the "idiot" can't stand accepting that he was wrong, giving meaning to his stubbornness and legitimacy to his mistakes.
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