Man dies after live roach eating contest. They are lined up eating them. How many times have a group of people lined up to learn the Peano Axioms? In a few college courses.
99 cents to learn the Peano Axioms and proof of associative law of addition of natural numbers.
Or you could die eating live roaches. Your choice.
Learning the associative law proof teaches mathematical induction and recursion. Recursion is the basis of pricing American options.
Instead of eating dozens of live roaches, he could have learned 5 Peano Axioms. Once you learn by heart the proof of the associative law of addition of natural numbers, you are half way to learning how to price American options and get a high paying job.