This is probably quite accurate. I doubt more than 20% of the population even KNOWS that their router has a "configuration screen", much less how to access it.

This is probably quite accurate. I doubt more than 20% of the population even KNOWS that their router has a "configuration screen", much less how to access it. The biggest practical security upgrade for most users was when they started randomizing SSIDs/passwords and printing them on stickers on the back of the router.