Shorter video of John Mearsheimer explaining it at link.
Why are we doing this is a question I have, one explanation: because every country that joins NATO has to upgrade all their weaponry to NATO standards. Who benefits the most from that? The Military-Industrial Complex, that's who. Oh, who benefits from a proxy war with Russia? Any guesses?
Link: https://youtu.be/emD1cN2xEz4?si=SasnZisXR5ky6WvF