To be totally honest I have cctv in and outside my garage (we were broken in to last year) and when my boyfriend told me he slipped on the ice out the back I looked back at the footage and we laughed. So maybe her housemates said something to show her it was funny?
I only use the inside one to check if there's a car parked in the garage as our garage is on the road behind our house!
Does she have cctv in every room I hope it's excluding bathrooms
? Because if she does that is really odd! Like I can understand one for Ziggy that throws treats or whatever but every room is a bit weird when you've got them at the entrance.