It's one thing, holding open the door for someone at a grocery store, or the library, or just about anyplace else. But the doughnut shop is a different thing altogether. This is a get-in-and-out-as-fast-as-you-can operation. There's no room for courtesy or chivalry here.
“It doesn't make sense to have to do the wrong thing in order to do the right thing.”
“A work-room should be like an old shoe; no matter how shabby, it's better than a new one.”