Check out this note nostr:npub1yzvxlwp7wawed5vgefwfmugvumtp8c8t0etk3g8sky4n0ndvyxesnxrf8q

If mining crypto is so profitable, what prevents companies like Exxon or Chevron to buy mining rigs, self-power themselves w their energy produced at near 0 cost while hedging with the futures? What would the bitcoin decentralization look like then?