The virus only spreads from an acutely symptomatic person. People with no symptoms do not spread the virus. Therefore, there should be no asymptomatic testing.
Post-lockdown SARS-CoV-2 nucleic acid screening in nearly ten million residents of Wuhan, China, published November 2020
A body of evidence supports the idea that asymptomatic testing leads to false positives.
False-Positive Results in Rapid Antigen Tests for SARS-CoV-2, published January 2020.
In summer 2022, former UK Health Secretary, Matt Hancock, was confronted this week during a press hearing to elaborate on the studies the English government referenced on asymptomatic spread to justify the tyrannical lockdown. Hear his astonishing answer.