I had the same reaction. I just recently had a lot of trouble pairing Airpods to Macbook (both no more than 2 years old). If Apple can't make it work between their own devices, it's doomed. A piece of shit technology, a black stain on the whole stack.
The demo is impressive otherwise, and I don't think it's weird to control a device with your mind. Or, if weird, it's the interesting kind of weird.
I'd like to see a multi-modal GPT successor that learns not just text, image and video but also neural brain signals. It's one modality we haven't touched on yet. Maybe it will be able to extract speech directly from the brain, which is orders of magnitude harder than controlling a joystick.