I don't love wordpress articles, but I'll see if I can find some better source material. Their argument is that it supports the Rebound Effect – US is using more lighting (lumens) but less energy because of efficiency gains in light bulbs!
Right but according to the link "In 1865, the English economist William Stanley Jevons observed that technological improvements that increased the efficiency of coal-use led to the increased consumption of coal in a wide range of industries. He argued that, contrary to common intuition, technological progress could not be relied upon to reduce fuel consumption" but in the case of our world it actually has produced lower consumption.
These types of economic laws are extremely shallow mode of reasoning.