But argument conspicuously inconclusive.DNA backbones quite easy make , ’ obviously possible SARS2 manipulated using unpublished DNA backbone.And ’ it.These two arguments made Andersen group support declaration SARS2 virus clearly manipulated.And conclusion , grounded nothing two inconclusive speculations , convinced world ’ press SARS2 could escaped lab.A technical critique Andersen letter takes harsher words.Science supposedly self-correcting community experts constantly check ’ work.So ’ virologists point Andersen group ’ argument full absurdly large holes ? Perhaps today ’ universities speech costly.Careers destroyed stepping line.Any virologist challenges community ’ declared view risks next grant application turned panel fellow virologists advises government grant distribution agency .