Apple doesn't make products for those who care about convenience.
Apple doesn't make products for those who care about performance.
Wether it is phones, or computers.
Their target audience is more about the feeling, than about logic.
They care more about design, about the gadget being modern, cool and interesting.
Also you get additional money on new headphones and adapters, as you do on chargers.
So Apple will make money on this change, don't worry about their stocks.