Every year, hundreds of people risk their lives climbing Mount Everest, the highest mountain on Earth. Every year, governments, climbing companies, and mountain experts wring their hands over the dangers, the deaths, the overcrowding, and the environmental damage. The solution is obvious. Build an escalator.

By now, everyone has seen or heard about the harrowing final scenes of Russell T Davies’ latest Channel 4 drama. It was designed to provoke, to shock, and to leave us uncomfortable. But as the credits rolled, the overwhelming feeling in my living room wasn't enlightenment. It was frustrating, offensive and way off the mark.