

Cameras require light, while radio waves works almost as well in darkness.
A motion sensor is an extra device that needs to be connected, have power and so on.
There are already radio wave motion- and room occupancy sensors where you can specify zones and so on, but if I could have personalized on top of that I’d take it.
Finally, using a thing for something useful other than its intended purpose is kinda fun.
That sounds like the kind of stuff his base would not only enthusiastically forgive, but even celebrate for triggering the libs.
His advisors likely knows this, so when crawl around on all four to obey Putin, it’s not because his forced to but because he wants to.