I've never understood why "I can't see a use for this in my own life" is relevant to whether there is a market for something.
If they release it, I guarantee someone will have thought long and hard over the profitability, there will have been exhaustive market projections, they may even have a long-term strategy with products no-one even knows about yet that dovetails in.
Apple play the long game, they don't release things on a whim.
Macbooks sell quite well despite the implementation details you mention.
And don't confuse "grumblings on tech forums" with a "strategy failure". People on forums can bemoan the lack of a 3.5mm headphone jack all they want; the success of a business strategy is measured in dollars:
If they release it, I guarantee someone will have thought long and hard over the profitability, there will have been exhaustive market projections, they may even have a long-term strategy with products no-one even knows about yet that dovetails in.
Apple play the long game, they don't release things on a whim.