Meanwhile: Apple's internal teams already acknowledge this... by showing [digitally, with outward-facing LCDs] the wearer's "eyes" whenever they are able to see [and where they're looking, approximately?].
I'm no fan of either company but the general concept is that Meta specializes in software not fashion, so partnering with Rayban will allow people to feel fashionable while using Meta's device (and of course allowing meta to follow their every move).