There is a significant difference between "property destruction" and "not abiding by the terms of the contract". This situation falls under the latter.
The suggestion we're replying to was to burn the fuse, not just pull it. How is that not maliciously damaging property?
If you're that opposed to it, put your money where your mouth is and don't take the free loaner. She would have seen it the moment she stepped into it, there's nothing stopping her from returning the car.
Objecting to surveillance in public is one thing, objecting to surveillance of private property that's on loan to you and that you can return at any time is just self entitlement.