In the Gompertz-Model (that worked perfectly for China) Sweden is converging to R~0,8 - with a total death-count <6000. Germany is going to R~0,7 / <9000.
Given the explosive dynamics of COVID-19 that soon converges to R<1 going for herd immunity was most likely a bad choice.
For Germany cutting the flu in half worked - while the bad math of the epidemiologists-community seems to last forever...