Disruption is messy. That's the point - a business rethinks the rules of its industry and forces everyone to scramble and regroup, including customers. Now every purchase you make becomes a choice between two kinds of economy. Buy all your books on Amazon and your local bookstore could disappear; order UberEats and - what!? - your local restaurant might go under. Rent an Airbnb and, yep, you're raising people's rents. But, says The Atlantic's Derek Thompson, only a little.