Doctor Who's first female actor sparks shock diversity debate

It took the British public over 250 years to elect Margaret Thatcher as their first female Prime Minister. It was 13 years before Marjorie Scardino was recognised as the first female FTSE100 CEO.

And, even though the UK has had a selection of strong female Monarchs, and history of women assuming power in a male-dominated world, it seems that the latest revelation, that Doctor Who will now be played by a woman, has sent unappreciated shockwaves throughout the nation. But why?