Such is the pace of change in AI that it has been, yet again, quite a weekend. On Saturday, Dario Amodei, boss of Anthropic, published an essay, We Must Pace the Frontier, urging his industry to slow down. Within the hour Elon Musk replied: “Dario is right.” Sam Altman, the boss of OpenAI, followed. By Sunday, Amodei was on Face the Nation, again asking everyone to apply the brakes on the grand and momentous technology of our time. None of it proves imminent superintelligence. But it is the sound of something ominous The cynical explanation is obvious. OpenAI has just…