I would even go as far as to say that among commuters buying coffee mostly consist of commuters buying coffee. Maybe they have other customers too? And come to

I would even go as far as to say that among commuters buying coffee mostly consist of commuters buying coffee. Maybe they have other customers too? And come to think of it, you won't buy a coffee (at a drive-through!) when you are one minute away from your destination. You most certainly have time to let it cool down and enjoy it at your preferred temperature. Even if you intend to consume it as soon as possible.