Bill Belichick confirmed the "Brady vs. Belichick" feud narrative was entirely made up by media, saying he agrees 100% it never existed between him and his former quarterback.
https://www.foxnews.com/sports/bill-belichick-confirms-feud-tom-brady-fiction-praises-quarterbacks-leadership-day-one
https://www.foxnews.com/sports/bill-belichick-confirms-feud-tom-brady-fiction-praises-quarterbacks-leadership-day-one