Re:Reality check in aisle four, please! (Score 3, Interesting)

What happens, for instance, if an intruder does decide to jam the WiFi network (not really that hard to do)?

That in itself tells you something. If you're wireless networks being jammed, somethings wrong.

Don't think human replacement, think human augmentation. One human security guard from a safe central terminal can monitor a bunch of automated surveillance drones. The drones can be in multiple places at once, carry thermal imaging cameras, fit in small places, etc, etc. The guard functions as the control for the cluster, if any of the drones hit something suspicious they flag the guard who can take a look for himself.

Pretty neat actually, it would allow one guard to cover a lot more physical territory at once, and 'go' places that might be dangerous in an industrial environment.

You're using the wrong paradigm. Don't think human replacement with robots, think cyborg humans only with the hardware mounted externally, and with some simple AI to cut down on the need for direct attention. After all, we are basically using computers right now as artificial memory/intelligence augmentation by using them to do things the human brain isn't well set up to do. Now we can do some simple physical augmentation as well. Pretty cool really.