It's caving when their corporate aim was to force users to buy apple licensed lightning port adapters. Always follow the money.
Ipad now available with usb3 rather than lightning port.
That may certainly be a consideration but Bluetooth is a huge portion of the headphone base, to coin a phrase.
The longtime story, true or otherwise, was that Apple devices especially phones were so scrunched for space inside that the headphone jack was a casualty.