If ya think about it, the technology we have, they can make cameras so small so hidden that you wouldn't know it even if your looking right at it.
Do you think they would be so stupid to put some obvious ass camera & mic in a box.
The law suits would just roll in.
In the same respect, it's public knowledge that we are constantly being watched, at least in America and Europe, they call that the Truman Syndrome if ya freak out about it.