If your copy doesn’t answer this question satisfactorily, start rewriting. This practice might highlight weak areas of your copy, unsubstantiated claims, or sentences that are redundant. Find ways to convince even the most sceptical and sarcastic reader.
Try this
Re-read every sentence with a sarcastic "So what?" If you can't answer it, cut or rewrite.
Ideas
Open a ten-minute sprint with Why should I care? as your prompt.