Earlier quoted context omitted.
Their stance on developer access made it DOA on day 1. All apps are flying blind when you're multitasking: apps can't even use iOS style marker tracking unless you run them in "immersive mode", which makes them the only app running. That combined with no camera access at all, extremely laggy hand tracking, and an inability to do room scale without a constant passthrough make it somehow less capable than a Quest 3. I…
As far as passthrough permissions, I don't think either platform lets you near the feed. Vision OS has their nonimmersive 3d widget mode which goes further and only gives you input when your widget is being interacted with. I assume Meta will go a similar route there.
The AVP should have been a powerhouse like the Hololens, and the $3500 price tag didn't exactly scream anything other than enterprise for mass adoption.