In Somalia, commanders of the al-Shabaab movement ruthlessly eliminated pro-Isis factions that wanted to repudiate the group’s five-year-old allegiance to al-Qaida.

Stoke City were good value for an early lead at Anfield until being ruthlessly punished for a series of defensive lapses.

But as the century progressed, something important changed: we all became Frederick Winslow Taylors, presiding ruthlessly over our own lives.