Earlier quoted context omitted.
You realize mild means “didn’t require hospitalization”, right? Many “mild” cases are taking weeks to recover.
Well, first: no. The vast majority of cases are no worse than a head cold. But more importantly, you’re not dying and not clogging up a hospital. That’s what’s relevant to this discussion.
It will be a big problem both in Europe and in the US, because they are starting to take measures only now.