Temperature greatly affects the taste of the coffee. Optimal temperature (if you’re actually into the taste of coffee, which some people just aren’t and that’s fine) is around body temp. The hotter the coffee though, the less your body can process the actual flavors. It’ll lose a lot of the nutty, earthy flavors and you’re just left with the milk and sugar.
Power. The moment they retire they give up the ability to control people’s lives.