You could break servers down that way too; each new server has a footprint in terms of the energy it uses, and the carbon footprint in creating and transporting

You could break servers down that way too; each new server has a footprint in terms of the energy it uses, and the carbon footprint in creating and transporting it. If 10,000 people take this pledge, and take it seriously, does that materially have a cost too? Thought experiment.