I agree completely, and his further suggestion of a gas tax qualifies him for the Pigou Club.
Among social scientists, it's no secret that the minimum wage is a weak weapon against poverty. Modest numbers of workers are affected; many are teenagers, often from middle-class homes; and many of the poor don't work. And a higher minimum wage may destroy some jobs. No matter. Democrats plunged ahead because raising the minimum wage is symbolically powerful. It says that you care about "economic justice."