As McKinsey’s head of global health systems Nicolaus Henke’s critique of the UK’s system stands on knowledge of what has succeeded and failed around the world.

He may scare those who fear radical change - McKinsey wrote the recent report leaked by HSJ on the implications of saving £20bn, but his work is far more nuanced than this - he has looked at how competition works and could be improved, the importance of more meaningful data, and how investment in prevention can help control healthcare bills. He could turn out to be a sheep in wolf’s clothing.