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frontbuttt t1_iz0awo4 wrote

And isn’t the real cost here the human suffering, plus the land needed, plus the ecological disruption caused? “Man hours” doesn’t exactly matter as a point of comparison when the functions of those hours are incomparable.

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sharrrper t1_iz139lq wrote

To be fair, in the full study they do mention that ecological impact on the site of the mines is something that should be considered but is not part of this paper.

They had a specific thing they wanted to measure, it isn't meant to be a holistic evaluation of one method vs the other.

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