the bbc's publicly run meaning that they actually don't have the authority to demand you let them in, nor pay for their TV license, as long as you just keep telling them you don't use BBC programs (or u just tell them to fuck off) ur golden
those ads are scare tactics and nothing more, cause back in the fucking 80's and shit they'd always act like they have fucking vans that can detect how many TV's are in your house, where, and what you're watching on them
TV licensing is the biggest meme of the UK