I see I've confused you. Here's the simple version: The three authors of the GBD were wrong.

Edited to add:

The Infectious Diseases Society of America, an association of more than 12,000 disease scientists and doctors calls your 3 : "inappropriate, irresponsible and ill-informed" https://www.idsociety.org/news--publications-new/articles/2020/herd-immunity-is-not-an-answer-to-a-pandemic/

The American Public Health Association - membership 50,000 - says "If followed, the recommendations in the Great Barrington Declaration would haphazardly and unnecessarily sacrifices lives. The declaration is not a strategy, it is a political statement.": https://apha.org/news-and-media/news-releases/apha-news-releases/2020/public-health-orgs-condemn-sars-covid2-plan

If you claim to have an open mind you will read those links.

If you feel you don't have to you just might be a cult member.

I see I've confused you. Here's the simple version: The three authors of the GBD were wrong.