A huge energy cost most of all https://www.bbc.com/news/technology-48853230 https://www.bbc.com/news/technology-48853230, so environmental damages (maintenance

A huge energy cost most of all https://www.bbc.com/news/technology-48853230 https://www.bbc.com/news/technology-48853230, so environmental damages (maintenance of those machines, and all hidden pollution behind just the pure electricity consumption)