There are an estimated 3 billion people in the world who still rely on solid fuel (wood, coal, peat moss) to cook food and generate heat [1]. We are extremely far away from being able to use 100% electricity to meet two basic needs for the whole population. From that perspective power-plant-scale computing is an incredible luxury.

[1] https://www.jstor.org/stable/pdf/resrep27829.23.pdf