Paul McCartney and John Lennon were on decidedly bad terms after The Beatles broke up. They fought viciously over the phone, wrote barbed lyrics about one another, and railed against each other in interviews. Their disagreements often had to do with the band’s business dealings.
While Lennon supported their manager, Allen Klein, McCartney was very suspicious of him. He believed that much of what Lennon said about Klein was foolish. Paul McCartney said John Lennon said some foolish things When Lennon, George Harrison, and Ringo Starr campaigned for Klein to take over as The Beatles’ manager, McCartney pushed against them.
After the band broke up, McCartney sued them to wrest control over their catalog from Klein. By 1973, Lennon, Harrison, and Starr fired Klein, who had been working as the manager of their solo careers. McCartney said he felt vindicated.
“Now the only good thing I feel is that I wasn’t wrong. I would have felt really bad if I was wrong and the guy was really a goodie all along and I’d gone and stuck my big nose in there like the pot calling the kettle black,” he told Rolling Stone . “But it turns out he is the type of man who wants to own it for himself and not the type of man who believes the artist should have it and do what he wants with it, which is what I believe.
” Before The Beatles hired Klein, other artists, including Mick Jagger , warned them that he wasn’t a good manager. Lennon said Klein couldn’t possibly be as bad as he seemed..