Not a bad idea (unless you flash your own firmware, since then you'd want to be able to rtsp to them), though I am still fairly skeptical the cams could interce

Not a bad idea (unless you flash your own firmware, since then you'd want to be able to rtsp to them), though I am still fairly skeptical the cams could intercept much on the network that wasn't encrypted, and that their tiny SOCs have the horsepower to do much of that...