It's the Boaty McBoatface of metrics. The narrow demographic of those who write letters of complaint and organised efforts to complain will dominate.

> ...from the right than the left this year about the BBC?

You do realize that the single claim that you're citing as evidence for the BBC being biased towards the right is from a publisher that is left-leaning?

That's like asking Trump if CNN is "fake news" and citing his only opinion as evidence that CNN is biased against him which is hardly credible.