Overconfidence bias is a dangerous phenomenon that can lead to disastrous consequences. It occurs when an individual overestimates their own knowledge or abilities, leading them to make decisions without considering the risks or consequences. This can lead to poor decision-making, as
From Wikipedia
The overconfidence effect is a cognitive bias in which a person's subjective confidence in their judgments is reliably greater than the objective accuracy of those judgments, especially when confidence is relatively high.