> Consider that electricity mostly comes from renewables now, it just doesn't matter what the efficiency is. As far as I know we're not yet in a post-scarcity

> Consider that electricity mostly comes from renewables now, it just doesn't matter what the efficiency is. As far as I know we're not yet in a post-scarcity energy economy. Think of your favorite topic of research. Now consider if you'd rather spend some of that renewable energy furthering that research, or on generating unwanted heat from a bulb and then moving that heat out of your living space.