At a local/mom-n-pop, if they asked, sure. At a corporate cafe no employee would care, so why should I? In part, it’s a marginal utility problem. How do I know

At a local/mom-n-pop, if they asked, sure. At a corporate cafe no employee would care, so why should I? In part, it’s a marginal utility problem. How do I know it’s not now peak crowded and will start to empty out if I wait 5 minutes. People can go somewhere else if it’s too crowded; I would have gone somewhere else; people with lower tolerance than me will leave before me; etc.