These people are headstrong and if they feel the curb loosed but one link they will with bit in the teeth in one month run further out of the career of good order than they will be brought back in three months.
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.