This is a complex subject. In the United States and other Western cultures, time has become a currency for us. The measure by which we conduct our lives. Other cultures look at us and wonder why we're so compulsive about time. Here, in fact, you honor people by honoring their time.
Speed sells in our culture.
One of the things you need to do, from the company standpoint, is recognize peak busy times and see if you can frame the wait that's going to occur as an advantage. Maybe you're a food-service company and you know everybody wants deliveries made just before lunchtime. Think about it. You may sometimes have to interrupt long-winded people. Or maybe you've heard of the man who moved around O'Hare in Chicago during the holidays, singing and lightening people's moods as the unavoidable travel crunch set in.