> There are two claims you're making 1) they're rarely used 2) when they are it's nefarious

I'm not making any claims, just sharing my observation. The claim I'm reacting to is that "they're totally used by normal people now!" and my observation is that I personally don't know anyone in my fairly tech-savvy peer group who has even uttered their name, and the only time I have heard of them outside their marketing is over-the-top creepy.

It's not helping their case that if you google "meta glasses recording light" you find "Adjustable LED Light Blocking Covers for RayBan Meta Wayfarer" in the top-of-the-fold hits[1]. Clearly being a creep with the glasses is popular enough to create a whole cottage industry.

[1] https://www.amazon.com/Adjustable-Headliner-Accessories-Reco...