Because SO rewards you for answering questions, there is an incentive to convince the person to change the question to something that is easier to answer. This

Because SO rewards you for answering questions, there is an incentive to convince the person to change the question to something that is easier to answer. This is why you see posters being badgered to change or recast their question so much. Sure many questions are ill posed, but there is a lot of pedantic meta discussion¹ on the site centred on the precise form of the question. 1: The word pettifogging comes to mind.