Voldemort had been vanquished hours before, but his supporters- and many of them are almost as terrible as he- were still at large, angry, desperate and violent.
I didn't know how to poach an egg, but that's okay because ChatGPT's Advanced Voice Mode, a Her-like assistant that converses almost as naturally as a person, talked me through it.
If we arbitrarily define efficiency as output per unit of labor, as some do, then it is merely circular reasoning to say that having one bus driver moving more passengers is more efficient.