"The planning fallacy is that you make a plan, which is usually a best-case scenario. Then you assume that the outcome will follow your plan, even when you should know better."

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If people are failing, they look inept. If people are succeeding, they look strong and good and competent. That's the 'halo effect.' Your first impression of a thing sets up your subsequent beliefs. If the company looks inept to you, you may assume everything else they do is inept.

— Daniel Kahneman