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> Sadly most of the world is in transition still, yes
So you invest $5k in a lowest grade ASIC miner whose value depreciates fast with time due to increasing difficulty... and you only run it when there's sun or wind, so <40% of the time?
Sorry, this doesn't make any sense economically and I don't think anyone actually does that.
The idea that people are mining 24/7 on cheap coal electricity is much more plausible.