If we respond this way[1] to every argument, no issue will ever get resolved. I don't disagree with you regarding electric vehicles, but it doesn't address the issue that bitcoin is an environmental catastrophe in the making[2].
Bitcoin mining is inefficient compared to what? You have to see that mining bitcoin is getting more efficient by day, while hiring a bank clerk can only reach a certain level of efficiency.
In that sense bitcoin might be a better choice vs. hiring bank clerks.
[1] https://en.wikipedia.org/wiki/Whataboutism [2] http://www.newsbtc.com/2017/11/29/bitcoin-mining-causes-incr...