> You don’t buy things from Amazon because they’re the best store with the best prices, you buy them because they’re the only store that has their own massive scale delivery service that delivers more packages than FedEx or UPS (not combined, but Amazon still delivers more packages than either).

Speak for yourself. Their delivery service is awful and I'd choose UPS 100% of the time instead if they gave me the choice.

It was Amazon's increasingly slow and unreliable deliveries that caused me to cancel Prime earlier this year, and I'm strongly motivated to shop elsewhere now because I know that the package will be delivered by someone other than Amazon's own service.