Multiply anything by a billion people and it’s going to be a big number - food waste, plastic grocery bags, paper napkins. It can be a way to encourage people to think about their own contribution to environmental problems, but it often ends up distracting people into making a big deal of, and demanding personal lifestyle changes over, something that’s actually a small contributor to the real problem.
And X-windows. There’s a few server tasks that I just find easier with gui, and they feel kind of laggy over 1G. Not to mention an old Windows program running in WINE over Xwin. All kind of things you can do, internally, to eat up bandwidth.