Yes and even beyond smash and grab, the more serious crim would still need prior knowledge of the target system in order to know whether to "bring their RF jammer" and so on.

It's good to expose the flaws, but criminals don't know whether the relay switch on the window frame is hard-wired or not, or whether a camera is hidden which records to its memory card and not even part of the IoT. The array of cheap devices we have available to protect, deter and monitor our homes is awesome.