David has mentioned on Twitter and Reddit (when asked) that he estimates 90% to 95% of all people living in the U.S. would be dead within 18 months after either

David has mentioned on Twitter and Reddit (when asked) that he estimates 90% to 95% of all people living in the U.S. would be dead within 18 months after either of his attack scenarios that involve countervalue due to complete breakdown of all infrastructure, production, supply chains, communications, etc.