To be precise, the lockdown and societal changes may result in fewer deaths from other causes. Without a lockdown we'd see more covid deaths and the normal number of other deaths. That means the lockdown would have had a double benefit.NO.
If a year from now deaths are the same, then the COVID deaths CLEARLY replaced deaths that would have occurred otherwise.
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(to be fair, some people who died of covid may have died of the flu this year but considering we've topped 9000 covid deaths vs. and average of 1000 flu deaths, the impact would be minimal)