I think my conception of basic tech illiteracy among the general public is vastly wrong. I generally like to believe most people are competent enough to handle these sorts of things.
But really, internet (and digital TV) services are pervasive enough that they are no longer just for technologically inclined and resourceful people. All aspects of society are now using the internet, even the homeless, impoverished, disabled, and institutionalized.
Took another call from an irate dialup customer who demanded a refund - he didn't know he needed a computer to use the internet -- and had driven himself mad dialing up our modem bank with his telephone and waiting for the training tones to subside so he could begin to navigate the internet as he imagined it to work: press 1 for email, 2 for news, 3 for weather...
Despite the proliferation of smart phones and greater prevalence of home networks, I don't think the situation has changed much for a segment of the population once you get down to troubleshooting why something isn't working. The skills and the willingness to just try to fix the problem aren't there.