What happened here is the equivalent of someone storing a suitcase full of cash in a rented garage and then wanting to sue the garage owner because he didn't install armored doors.
I'd say it's more like storing a suitcase full of cash in a rented garage and then wanting to sue the garage owner because the locks he puts on the garages don't actually work ("if you yank on it hard it just comes off!"), and so someone came and and stole your cash.