False. The Meta glasses have a blinking white LED while filming. The camera gets disabled if you try to cover it. Filming someone with a phone is much easier to disguise.
https://www.youtube.com/watch?v=gghlzrmfWH8
https://www.youtube.com/watch?v=awCU4RtorMY
Though I see that Meta are trying to make disabling difficult:
https://shattered.io/meta-ai-glasses-led-camera-disable-2026...