Comment by apr

Why? Doing anything of value requires expending of energy and producing heat, this is unavoidable. Saying that this activity is pointless just because you are not seeing any value does not mean that it is actually pointless. In general anything that people are willing to pay money for is not pointless for someone, otherwise that money would be spent on something else. It is like saying why a farmer needs to drive that big tractor down the field using precious (for whom?) oil and polluting the air whereas I can do things manually on my pea patch just fine. If anything we should welcome higher and higher energy use because it means higher standard of living for the humankind. And just to address 'waste' here, energy is not free so 'waste' that actually wastes resources cannot go on for long lest the waster goes bankrupt.