You will need a lot of really deep holes to make significant power in most places. Of course you can get to the mantle from anywhere on earth. That doesn't make it practical.
Now you’re just saying the opposite of what you said before just to fit your agenda.
Don't be a pedantic shit.
pumped storage
Works when you have a lake on a mountain and a lake below the mountain. 90 percent of places? No such luck.
After all those decades of trying to figuring out where to store the highly toxic waste and so far nobody figured it out.
Literally just in a mountain or deep underground. It's been figured out