He was the charming Beatle, the melodic genius behind “Yesterday,” and a symbol of peace and pop perfection. But behind Paul McCartney’s polished public image, behind the knighthood, the stadium tours, and the ever-youthful grin, was a fiercely competitive artist guarding a legacy he helped build note by note. For decades, Paul stayed diplomatic on camera. But off the record? He had opinions. Sharp ones. And when it came to certain bands, some peers, some imitators, Paul didn’t hide his disappointment. Whether it was musical laziness, showy arrogance, or a failure to “earn it,” McCartney’s critiques revealed a different side of the world’s most beloved bassist. These weren’t casual dislikes. They were cutting judgments that exposed deep creative divides. Tonight, we take you inside six rivalries Paul never forgot and the emotional truths behind them. Because even the cutest Beatle had a sharp edge.