Hired an explicitly politically biased person to do their political "debunking", see the item mdpopescu linked to: https://news.ycombinator.com/item?id=12930881 With of course the predicable results.

So you're defining centrism as impossible?

Post-French Revolution, yes, by and large. Something we on the Right in the US have been saying prior to, say, this election, is that we think the Left is wrong, they think we're evil. Well, it's now polarizing as we decide they're not just wrong, but definitely evil.

And you're calling Fox News, the prototypical right-wing TV news station, left-wing? What? Why? How?

Maybe from your end of the pond they're "prototypically right-wing", and you might just be right about "prototypical", but they've always carried themselves as being "Fair and Balanced", i.e. allowing both sides a fair hearing. You can certainly look at their lineup of Leftists prior to the explicit shift to the Left that started a couple or so years ago as confirmation of this. Would a true "right-wing" (as defined in the US!) station give e.g. Juan Williams an honored seat at the table?

And I guess you missed Megyn Kelly's feud with Trump, and her leading role in the coup that ousted the founder and head of the channel?

I'm not telling you as someone across the pond that it's worth investigating, just like I haven't put any effort to speak of in discovering the causes of the Decline and Fall of the Torygraph, which I avidly read as a right of center 5 hours early for me news source back in the '90s, but, seriously, Fox has changed, and it's still a work in progress as two of Murdoch's more liberal sons run the place.