The data and the means to collect and deliver it, EXISTS AT ALL.
Cameras are just the lurid example. Audio is just as bad or even worse. Anything that can hear at all, knows everything that's going on in the whole property and even surrounding area.
And, practically any sensor of any type regardless of nominal intended purpose, can hear. In fact circuit boards with no actual sensors of any kind, can hear.
A light switch with no mobility and no apparent sensors like a camera or mic, not even a light sensor for automatic adjusting, can hear and report if someone is having a fight or having sex 4 rooms and 2 floors away.
600 items of "evidence" that Roomba doesn't misbehave means absolutely nothing.