Earlier quoted context omitted.
Believe it or not but there are people who think that "Bitcoin is a battery" because it can turn energy into money (and "money is easily converted to energy again", Umm... STEM education, we need to have a word because it looks like you are not doing your job properly... ). Here is an example: https://twitter.com/balajis/status/1351214402167578626
Balaji's take is easily the worst, least coherent take on proof of work to date. An absolute carnival of ignorance motivated by self-interest. The lengths people will do to defend the indefensible because it'll make them rich continues to disappoint.
It talks about crypto mining as a last resort to utilizing excess energy produced by “green” sources (wind turbine), ie energy that cannot be sold to the grid or stored in batteries.