The gen 1 apple devices with the worst support lifecycles have been * iPad 1, which was basically a iPhone 3GS with a bigger screen, and from day 1 didn't have

The gen 1 apple devices with the worst support lifecycles have been * iPad 1, which was basically a iPhone 3GS with a bigger screen, and from day 1 didn't have enough RAM to drive the big screen * First Intel macs, which were 32-bit, before Apple quickly transitioned everything to 64-bit * First Apple Watch ("series 0") which was just underpowered in general The M1 Macs really don't appear to have any obvious flaws like these.