> I think there's also a pretty good chance that if a robot that could mine the same cobalt with no human intervention appeared tomorrow, many folks would complain about "hard working cobalt miners in Africa losing their livelihood to automation".

Well, yeah? Just because the current work safety situation is bad, doesn't mean being out of a job couldn't be worse. I'd love a world where more automation meant less, safer, higher paying work for everyone. Our world never worked like that, to my knowledge, and I'm not sure it ever will.