If you're not just reacting to the focus on crypto mining, but actually interested in the answer to your question, then the answer is yes.

In fact, energy efficiency[0] is a large area of focus, especially with regard to ongoing climate change[1]. You might have noticed a shift in things like light bulbs building standards and so on. We've made progress[2], and so it is really hard for people celebrating that progress when they see a sudden boom in energy use to create wealth for a very tiny subset of people, a boom in use that threatens to undo all of our progress and then some.

0. https://www.energy.gov/science-innovation/energy-efficiency

1. https://www.weforum.org/agenda/2019/09/why-investing-in-rene...

2. https://www.nrdc.org/experts/sheryl-carter/ramping-energy-ef...