-- This article by Paul Smalera originally appeared in The Big Money. The views expressed are his own. --

Indulge me in a thought experiment. Pretend that drinking something called "lethalcoffee" has been found to cause cancer. There are five or six kinds of gross-flavored lethalcoffees that hardly anyone drinks, like chocolate, cherry, banana, and vanilla. But there's one flavor, mint, that 30 percent of all lethalcoffee drinkers are hooked on. And there's one particular group of lethalcoffee drinkers—let's call them investment bankers—who drink mint lethalcoffee like there's no tomorrow.