Earlier quoted context omitted.
Not any different than dumping massive amounts of cyanide into the environment so we can get some shinny yellow rocks.
Gold is quite useful industrially, however. Last I checked, you can't coat wires with Bitcoin to make them less prone to oxidation.
I should say there's also 48% used for jewelry, but that doesn't really make a good excuse either. The pollution is necessary because ... people need to display their wealth?
[1] https://www.gold.org/goldhub/data/gold-supply-and-demand-sta...