skribs
Grandmaster
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I disagree with a bit of this. First the physically demanding jobs-there are still jobs that aren't replaced by robots, and I don't know that all of them eventually will. Things like construction require physical ability, but I can't see a robot doing it. There's also smaller things too-bringing a heavy package into a house, running so that you're not late for a class or a meeting, things like that.
A lot of the physical activity that you do in jobs like construction is at the very least being aided by machines. Power tools (whether powered by electricity or air) and heavy machinery do a lot of the work for you.
And on the cruder side, sex. Having better stamina definitely improves sex, and there are some positions you can't do without either strength or flexibility. That's obviously not necessary for the modern world, but it helps.
I've seen some definitely unfit people who have kids. While it might be more enjoyable with better stamina and flexibility, neither of those are a requirement to pass on your genes.
Then for health-the world average might be 72 years old, but I know people who have died of a heart attack in their 50s. Most of the people I know above 85 tend to be (or at least were for most of their life) on the healthier side of things. So that's 30 more years of life that the guys who died in their 50s could have had in their 80s.
50s is still better than the life expentency 100 years ago, when the worldwide average was in the 30s.
An extra thing you didn't mention-attractiveness. You did say that, but it still holds a need not for society at large but for individuals. There is evidence, for instance, that if you're more attractive, you're more likely to get a job.
"An extra thing you didn't mention...you did say that."
I've been consistently employed for the last 16 years of my life (ever since I was a teenager). There was a single month when I was on furlough. I think that proves that attractiveness is not a requirement for employment. In fact, with only a couple of exceptions, what rejects me on job applications is the computer. I've had a very good success rate if I get past the computer.