Yes, practically speaking, the way its done now, corporate drug tests are indeed of not insignificant cost and of questionable deterrence. There sometimes is f

Yes, practically speaking, the way its done now, corporate drug tests are indeed of not insignificant cost and of questionable deterrence. There sometimes is financial incentive for them (insurance discounts), but unfortunately at least some of the reason they show up here more than anywhere else is image. The modern mandatory corporate drug test in America sprung up during the Reagan era, when zero tolerance / "War on Drugs" culture was at its peak. (https://www.theatlantic.com/business/archive/2015/06/drug-testing-effectiveness/394850/ https://www.theatlantic.com/business/archive/2015/06/drug-te...). "Zero tolerance" policies are rightfully being softened in some of the US, but unfortunately in certain quarters, this attitude lives on.