They just won’t go away. The Covid-19 hoaxers. The anti-mask libertarians. The conspiracy theorists. Then there’s the media pragmatists who take a salary to promote the policy of letting Covid-19 take a Darwinian path through society. In epidemiology, the profession of disease incidence, transmission and control, they call this theory “Herd Immunity”. Adherents believe that the eradication of Covid-19 is impossible, therefore the world must simply live with it and let nature do the rest. Note that phrase, “live with it”—what an unfortunate term. Covid-19 killed 25 Victorians today. Way back on the 27th of March I wrote about herd immunity versus lockdown as it applied to the Covid-19 pandemic then unfolding across the globe, and I framed the debate as a one of…