"You could block this just like you would block something on 'cable' tv. I think the days of there being a difference between the two are long gone."
The majority of tvs in this country still do not have cable. Without cable there is no way to block the channel.
Wrong. Cable usage is now at almost 60%. Source
I find that "figure" hard to believe.
That might fall into the category of "true but misleading." The majority of TV sets might not -- though I'm dubious even of that -- because a lot of people have TVs in various rooms of the house that they use only to watch DVDs or play video games. They function more as a monitor than a television. Then there are all the portable TVs without cable.
But according to the National Cable and Telecommunications Association, 59.1 percent of TV households have basic cable. Based on the numbers on that page, and with some fast and loose mental math, the folks with digital subscriber satellite bump the combined number up close to 75 percent.
Without cable there is no way to block the channel.
False. Every TV set larger than 13" manufactured in the last six years has been required to have the V-chip installed. And for older TVs, there's a foolproof blocking technology that has been around since before Philo T. Farnesworth built his first set -- a parent saying "No."