The problem with that goal is that affiliate links are having less and less of an impact on convincing people to buy from Amazon, because Amazon is becoming the #1 place where people buy things anyway. If I read about something on the Wirecutter and I decided to buy it, I will buy it on Amazon whether or not they have a link to Amazon. Amazon knows this, and as they begin to dominate online sales in a certain category they can afford to drop their affiliate commissions knowing full well that it won't really impact their sales.