What are some common characteristics of a pixel peeper and how can their attention to detail benefit the quality of images?

A pixel peeper is someone who obsessively examines and scrutinizes images at a very detailed level, often focusing on individual pixels. Their attention to detail can benefit the quality of images by helping to identify and correct imperfections or flaws that may not be noticeable to the average viewer. This can lead to higher quality and more visually appealing images overall.