The Economist argues that hopes should not be pinned in tracing apps which might not work. Medicine is littered with medical interventions that failed, sometimes harmfully. What is different?
One difference is that this is not a biomedical intervention. However, public health is also littered with ineffective or harmful interventions with dangerous consequences (perhaps the effects of lockdown on mass migration being a case in point). It is interesting that governments should consider giving this potential solution a free pass, so to speak, without testing or an evidence base – perhaps because it hs a technological flavor?