But there's a wide variation of how much natural immunity is created by an infection and it's unclear how long that immunity lasts. Many people got infected during the first wave of March 2020. That's nearly a year and a half ago. Moreover, many think they had it but never got tested, so they have no conclusive evidence that they had it. He's encouraging a lot of reckless and risky behavior there when we know that the opposite behavior (getting vaxxed) would only have the effect of BOOSTING their own immunity.
Why do you keep arguing in favor of risky behavior with this virus?