Also, the money the US spends on healthcare could be better spent educating the people who will otherwise drop out of high school, which drastically reduces their life expectancy (since they can't read so good, have trouble getting jobs which don't involve selling meth, and otherwise have terrible lives).
It's all about how we allocate this labor, I guess. Paying everyone the same salary leads to underperformance, so we encourage competition. I'm sure there's a better way, but it probably won't be a total reversal, only a modification, of what we have.
and someone does indeed do those things, but imagine if there isn't anyone to do it because everyone is so well educated that it's "beyond" them. Those jobs will "get done" initially at a higher price, but then because there's profit to be made, a smart individual will inevitably invent a machimne to the job, and thus, the total output of society increases (sure there's a turbulent period of transition, but that's acceptable in the grand scheme of things).
And we don't need more crime.
For example, if you eliminate traffic accidents (of which the US has many due to it's low density), US life expectancy is near the top globally.