No, wired will not always sound better than wireless, at least coming out of a mobile device like an iPhone, which is what we're discussing. Likewise, batteries may cease to be an issue once contactless wireless charging becomes commonplace.
In the here and now, wireless is probably not for you. Though I would trade constant tangled cable management, plugging and unplugging headphones, an easy justification for charging my headphones once a day, not to mention, that I could carry the detachable cable which allows me to plug my headphones in and used them wired at any time. I that is something most people would appreciate too. And likewise, for most people, pairing issues aside, BT audio quality is more than sufficient as is -- and it seems like Apple has solved at least the most annoying pairing and connection issues. AAC encoding is likely going to make a BT stream indistinguishable from a lossless stream for all but the most discriminating.
As for your active speakers in the kitchen, clearly sound quality is not an issue anymore. So rather than seeing Apple taking a step backward, you should probably take a step forward and buy a pair of BT speakers. To the extent you don't want to do that, you'll of course have a dongle on the end of your headphones which you carry around with you, right? And maybe for $9 you leave one at your GF's place, or better yet, buy her a BT speaker system for her place for Christmas. Or, if you really just need those wires, buy her and yourself a Lightning dock, which allows you to easily dock your phone and charge while you listen, with a "AUX" jack built-in. That way, the adapter stays put on the end of your headphones.