https://motherboard.vice.com/en_us/article/7xmvbq/bitcoin-energy-science-world-electricity-demandNow Motherboard is not the best source for news, but let's consider the implications of this...
Consuming immense amounts of energy is actually somewhat counterproductive if we consider the vision of Bitcoin giving us tools for independence. And it's somewhat unethical because we should not be using more than we need on this earth.
However, we don't really know how much energy it is consuming at this stage, so this could just be another reporter trying to find a story.
Bitcoin mining is a waste of energy, but if we look at exploiting other types of assets such as gold mining, the consumption of energy is still high. As the cost of mining increases, the value of that asset is likely to rise and more people will want it. In the future, bitcoin will become increasingly scarce and difficult to exploit. The more energy, the more valuable it will be