First time I’ve seen a researcher suggest we could achieve milder illness and immunity via lockdown:
By adhering to strict hygiene measures it is to be expected that the virus concentration of an infected individual can be reduced to the point that the illness manifests more mildly, with simultaneous development of an immunity. These favourable conditions are not present in a superspreading event (e.g. Karneval meeting, apres-ski bar in Ischgl, Austria). Hygienic measures are expected to have positive effects on overall mortality.
Know your enemy
Can lockdown produce herd immunity with fewer deaths?
Social distancing and immunity
gasstationwithoutpumps on viral load and COVID-19 models
Social distancing and the 2nd wave
Viral dose, viral load