Apple’s new mixed reality headset is an exhibition in everything that is wrong with the virtual and augmented reality marketplace – and why we are still years away from head-mounted hardware achieving anything close to mainstream adoption. The Apple Vision Pro was unveiled at the company’s annual Worldwide Developers Conference (WWDC) this week, to rapturous applause from Apple fanboys acting as if Apple had just single-handedly invented VR and AR. With that said, people were quick to forget how Apple AirPods were late to the in-ear wireless party, and were also slated for their easy-to-lose design. Yet, today, AirPods have become a semi-permanent feature of millions of consumers’ actual heads. Could the Apple Vision Pro achieve similar stalwart status? At…