But that’s why this virus crisis is so not over. Bill Joy, the computer scientist who co-founded Sun Microsystems, put it to me like this: “The last few weeks were actually pretty unsurprising and predictable in how the pandemic spread. But we’ve now reached a point where all of our interlocking systems, each with their own feedback loops, are all shutting down in unpredictable ways. This will inevitably lead to some random and chaotic consequences — like health care workers not having child care.”