> Why aren’t we going for green though, that seems even better?
Because we want to avoid Covid-19 becoming a recurrent winter illness like other coughs and colds and flu. Those already cause considerable pressure on healthcare systems, and adding annual covid-19 season on top would be pretty rough.
Yes! We don't want to flatted the curve so much that it extends into winter, because then we compound other seasonal illnesses like the flu, and the pressure on the health service is back above the red line.
Because we want to avoid Covid-19 becoming a recurrent winter illness like other coughs and colds and flu. Those already cause considerable pressure on healthcare systems, and adding annual covid-19 season on top would be pretty rough.