Drug tests penalize people for what they do on their own time. They’re a stick used to beat the proles.

Someone blasted at work is a problem. Klaus getting blasted off shift isn’t.

Secondary affects are probably worse, and more diabolical. Why kill one person when you could kill millions! Klaus running over Andy while blasted is less evil than the guy who put lead in gasoline.⛽️ Sure it’s easier to imagine, but one tear doesn’t make an ocean.