I'd agree with this if it didn't dump carbon into the atmosphere at a staggering rate. Investors should buy carbon offsets with their newfound wealth so they're not externalizing that cost. [toned down]
[1] https://en.wikipedia.org/wiki/Whataboutism [2] http://www.newsbtc.com/2017/11/29/bitcoin-mining-causes-incr...
In that sense bitcoin might be a better choice vs. hiring bank clerks.