I do believe people do all of that with the light on. And then there are also people who tamper with the device to deactivate the light. You can find guides for that online.
The funny thing about the light is that it doesn't even matter when surreptitious recording devices are trivial to make these days. You can never know when you're being recorded, even when no one is wearing glasses.
The funny thing about the light is that it doesn't even matter when surreptitious recording devices are trivial to make these days. You can never know when you're being recorded, even when no one is wearing glasses.