Is it ever good to be spiteful?

In a memorable episode of Curb Your Enthusiasm, the curmudgeonly protagonist Larry David is angered by the lukewarm lattes at his local café so he opens a “spite” café. It is an identical coffee shop and right next door, but everything is cheaper. He runs it at a personal financial loss, but is driven by the thought of putting his neighbour out of business. It is magnificently mean-spirited, petty, spiteful – and humorous. ….[READ]