Wikipedia suggests playtv works fine for standard def but not high def if you care. Maybe it's not the tuner for you? Make sure you choose one with mainline kernel driver support if you look for another.
https://en.wikipedia.org/wiki/Digital_terrestrial_television...
b) The majority of the content on free-to-air tv is the BBC. Who levy their own taxation. This is unique and provides the BBC with a massive amount of power to influence anything they want. One would hope they attempt to do it in the interests of the British public and the world in general. [1] See (a) for how that worked out?
[1] Between examples like Saville, WMD, and the current lunatic state of both labour and conservative parties perhaps the BBC isn't really going as well as the public might like for what they pay in additional tax known as the "license fee?" But of course most of the public didn't attend oxbridge so their opinions scarcely matter to the BBC? Now here's Stephen Fry. (And I quite like him, and even many of his performing "friends" but he's hardly representative of anyone much and that seems to be a relatively persistent problem).
https://tvheadend.org/ can be useful for interfacing with the tuners over USB and exposing web streams.