The fact is you're an idiot. Millions would have died had we aimed for herd immunity without a vaccine. As it is, some 300K-400K died before a vaccine was available. You’re simply spewing utter, unadulterated nonsense.
To protect groups of people over time, it helps to know what level of recovery or vaccination in a population makes it hard for a germ to spread.
www.mayoclinic.org
Health impact. Experts estimate that in the U.S., 70% of the population — more than 200 million people — would have to recover from COVID-19 to halt the pandemic. This number of infections could lead to serious complications and millions of deaths, especially among older people and those who have existing health conditions. The health care system could quickly become overwhelmed.