And right after seeing those posters you’d see big ads on the Tube walls that says things like:

>>We have the name and address of everyone in the UK without a TV license. Inspectors on on their way now to your home to investigate.

Also lookup “TV detector vans” which is another hilarious bit of the theatre of the UK police state

Seeing that as someone visiting the UK on vacation was a real eye opener, like what the heck kind of police state is this