To be fair, he also did that. And I personally think he should have been fired for that, too -- many people customarily only tip for table service, and asking s

To be fair, he also did that. And I personally think he should have been fired for that, too -- many people customarily only tip for table service, and asking someone if they meant to not tip is rude. Unfortunately, it's a tip -- and there's no obligation for someone to tip unless they feel it's deserved, especially if there's no waiter or delivery involved.