Every cloud has a silver lining, and corona craziness is providing a unique insight into how the nawabs of nannying, our public health heads, really think — and the parallel universes they inhabit.

South Australia is in uproar ahead of the match at Adelaide Oval on Saturday between their beloved Crows and those visitors from the plague pit, Collingwood, with the fires fanned by the pronouncements of chief public health officer Nicola Spurrier, she of the pizza box strain of coronavirus fame.