This is sensational because it's Amazon. As someone who has worked in a major retail business, returns are a long tail. Some people are just returns people and

This is sensational because it's Amazon. As someone who has worked in a major retail business, returns are a long tail. Some people are just returns people and review/use/abuse return policies very aggressively. Most people are reasonable, and occasionally return things. Very easy to tell the difference in the data and ban abusers. Don't like it? Buy somewhere else. This typically harms the suppliers more so than the retailer, which is why the retailers even let you return so much in the first place.