State desk jockeys are not subject to piss testing as a matter of course. Folks working with heavy machinery will always be drug tested. It's heavy machinery. Terrible things can happen any minute. Anyone working one of those jobs knows it is always a target for drug testing.

Also, anyone would be fired for showing up to their job drunk, even if it was at a liquor store. There is no irony there. You can't go to work impaired.