Liverpooling the Resources?

A number of Public Health experts have suggested that the 'free to anyone who is prepared to wait in line' Covid-19 tests for Liverpudlians may 'do more harm than good' (https://www.theguardian.com/uk-news/2020/nov/06/operation-moonshot-covid-mass-testing-trial-begins-liverpool). It is unclear what actual tests are being used, but any test that isn't proved to be accurate is going to be worse than useless. Furthermore, it has to be noted that the people volunteering to be tested, will not be representative of all sectors of the population. Cosequently, the idea that it will indicate the proportion of asymptomatic but infective folk in a typical Northern city is wildly optimistic. Pretty obviously, standing in closely-packed lines, also carries the risk of transferring infections. I think that the folk of Liverpool have been mis-sold the programme as some have stated that they are having the test 'as it represents the fastest way of getting back to normal'. Unfortunately, it seems more like a publicity stunt than a meaningful way of dealing with the pandemic.