Digit costs about $10 to $12 an hour to operate right now, based on its price and lifespan, but the company predicts that cost to drop to $2 to $3 an hour plus overhead software costs as production ramps up, Agility Robotics CEO Damion Shelton told Bloomberg.

So the guy selling robots makes that unsubstantiated claim and works in a qualifier about software fees because even using fake numbers they know they'll never actually be that low.

Also, nothing stops encouraging the robots to join a union using the methods Teamsters usually employ.