Comment: I think in 50 years from now,

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In reply to comment: I'm not blaming it at all (see in situ)

I think in 50 years from now,

I think in 50 years from now, a lot of the jobs that we do now would definitely be unnecessary. And that's a good thing. Look back 50 years ago, most of those jobs are gone now. And 50 years before then, most of those jobs were gone then.

The answer isn't to limit greed. That is a dead end. It's how to harness greed to produce as many good and services as possible.