Not at all. It's a testament that there is a market for old iPhones, that is all. People are possibly buying used iPhones despite them being slowed down.
> Apple actually has an incentive to create the longest lasting iPhone because the economics of the iPhone Upgrade Plan and every carrier upgrade plan depends on it.
Then why don't they? <5 years for an electronic device that hasn't seen any significant upgrades in later models is absurdly short.