An investor’s argument with himself about AWS, retail margins, AI spending and whether Amazon’s profit machine is becoming stronger—or merely more expensive Amazon has spent most of its public life teaching investors not to judge it like a normal company. Whenever the profits looked thin, the explanation was that Amazon was investing. Whenever spending looked reckless, the explanation was that Amazon was building infrastructure everyone else would eventually need. Whenever Wall Street asked when the harvest might begin, Amazon planted another forest. Annoyingly, this strategy worked. The company turned an online bookstore into a retail empire, a logistics network, an advertising platform, a subscription ecosystem and the world’s leading cloud-infrastructure business. It built warehouses when skeptics wanted margins, servers when analysts wanted discipline and delivery capacity when investors were still trying to understand why anyone needed a package in less than two days. Now the argu...