A detailed answer to your question inspired by your post.
https://peakd.com/coronavirus/@apshamilton/5mrj7b-coronavirus-how-dangerous-is-it-really-is-the-cure-worse-than-the-disease
Short answer - lockdowns don't save lives because they will dramatically increase suicide rates from isolation and economic depression. Suicide is a much bigger killer than Coronavirus in most countries.
Thank you, it always feels good to inspire a thoughtful post. I'll check it out.