[gambiting]

>> and by that point, your cables are probably worn out

Apple(and everyone else, as far as I know) includes the cable though. And it's hard to wear out a power brick that just sits plugged into a socket all day.

>>assuming they're even compatible, since not everything used USB3 a few years ago

Apple chargers were always just AC to USB-A though, so all you need to change is the cable. Which....comes included with the device. It's a bit more of an issue if it's now a USB-C to USB-C cable, but a USB-A to USB-C cable is not exactly expensive.

[goosedragons]

Apple now ships a USB C cable. They shipped 1 year of iPhone with a USB C brick, so I doubt most iPhone users had one except maybe for their MacBook.