I don’t blame the times table guy. His world is small, but complete and certain to him. This makes him very confident in areas far outside his reach.
(That is an excellent 1-100 times table display by the way)
The math formula guy inhabits a bigger world than times table guy but it is forever incomplete and uncertain. They will always have areas of doubt.
This is the Dunning Kruger effect: People with limited skills or knowledge overestimate their abilities. Times table guys will sometimes use the doubt and uncertainty of the math formula guy as a weapon against them. It doesn’t work as a weapon but as it feeds back into their overconfidence, they will always feel as if they have won every battle, regardless of their objective loss.
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