I think that all went out the window during the Tory era, with things such as replacing the head of the BBC with a Tory, threatening to pull all funding unless they started promoting the government’s right-wing perspective and caving into Rupert Murdoch’s pressure that he is poor and starving because the evil BBC is taking all his rightful TV money and viewers.

BBC comedy show and dramas are still on the whole centrist or a bit left leaning, but the news skewed heavily to the right about 10-15 years ago.