I wondered the same and found this comment explain it well: https://news.ycombinator.com/item?id=32689473 https://news.ycombinator.com/item?id=32689473 (the edi

I wondered the same and found this comment explain it well: https://news.ycombinator.com/item?id=32689473 https://news.ycombinator.com/item?id=32689473 (the edit on the bottom in particular)