I understand why marketing shots of products like Facebook Paper or Facebook Home use beautiful, crisp photos to promote the product. But I don't understand wh

I understand why marketing shots of products like Facebook Paper or Facebook Home use beautiful, crisp photos to promote the product. But I don't understand why these apps seem to be designed on the assumption that real-world Facebook users' feeds are actually filled with such photos. The same applies to the giant contact photos in Android 4.1+. This is great if all of your contacts have beautiful high-res headshots. In real life, most don't and it's an ugly pixelated mess.