There's a perception that Amazon built their in-house delivery services, "sortation" hubs, airplanes etc. to compete with UPS/Fedex... the reality is that it ha

There's a perception that Amazon built their in-house delivery services, "sortation" hubs, airplanes etc. to compete with UPS/Fedex... the reality is that it had to be done to handle the shipping volume. Amazon will continue to saturate all available capacity. Cannibalizing this service's capacity for internal usage is further evidence of that.