[cpncrunch]

>But the average consumer won't realize, especially when the installation and network failure aren't temporally adjacent, that the camera is the cause of the problem.

In theory the user could be presented with a "here is why you've been blocked" explanation when they try to browse any site. They could then (probably) figure out what is the offending device, take it off the network, then click "please let me back on the internet, the bad device has been removed". (Somewhat similar to how the MX blacklists work at present).