This was my first thought too, Apple always plays the long game and that's why people keep saying "no innovation" after every single keynote :D

Stuff that was added today will pay of in 3-4 years after it has trickled down to enough users. Like the spatial camera, now it's a curiosity on the top-end model, but in 5 years it might be a standard feature in phones with great synergy with the Apple Vision non-pro model they just happen to release when there are enough devices to produce content for it.