[ZekeSulastin]

… but Apple’s chargers have been USB on the charger side for ages (previously USB-A, currently USB-C). The easy availability of chargers that work with the phones did little to stop the complaints when they were unbundled.

[zepolen]

One needs a charger and a cable to charge a phone, so even if you can use the bricks, you'd still wouldn't be able to use existing cables.