Unsurprisingly, the article quotes various figures to try and evoke a response, without putting them in any kind of context. It's a depressingly common method used by the 'something-must-be-done' brigade and those who pander to them. The use of the word "disaster" in the headline is a dead give-away, and the completely irrelevant photo of a gold mine only serves to undermine the credibility of the article and its author even further.
As an industry, what is the proportionate cost of energy used per unit of revenue created, and how does this compare with other energy-intensive industries?
How does the total size of the bitcoin mining industry compare to other industries?
Does it even appear on the top 100 industrial consumers of electricity? The top 1000?
In countries where this industry exists, what proportion of the country's total electricity generation does it use? How does this compare to, say, the power lost by phone chargers being left on?