Pull your window shades down, preferably with a mean comment on them facing the camera.
I don’t open the bedroom curtains but sometimes the cats open them. Our living room curtains are always open for the view (that’s why we live here) and for the breeze because we try not to use the a/c. It’s also where my computer desk is. I don’t know how much a camera could see in to the living room but their patio ornament sometimes shines a sun spot on the wall.
If he’s such a putz as to put up one camera, then he’s enough of a putz to put up a dozen more we don’t know about.
The last time we got the neighbors to move, we got a stinky goat. The stink was too much for us so don’t want to go that route again.