Women in Brussels 'filmed without their knowledge' by men wearing Meta smart glasses
(www.brusselstimes.com)
It was an example of use cases for wearable tech and people with disabilities. Cameras aren't 'technically' required for the other example I noted related to eavesdropping. There are plausible reasons why people with disabilities would need glasses with cameras, and 'recording' people extends beyond just camera-based recordings. The issue is more with ubiquitous, covert, wearable smart-tech.