Yes, I also believe "Ob-La-Di, Ob-La-Da" and "Maxwell's Silver Hammer" were songs John hated. But I didn't find quotes to prove it (maybe I should make a more exhaustive finding).
These are John's words about those songs:Ob-La-Di, Ob-La-Da.
"I might've given him a couple of lyrics, but it's his song, his lyric." Maxwell's Silver Hammer.
"He (Paul) did quite alot of work on it. I was ill after the (automobile) accident while they did most of the track, and I believe he really ground George and Ringo into the ground recording it. We spent more money on that song than any of them on the whole album, I think."
By the way, I've forgotten to include Glass Onion.
"That's me, just doing a throwaway song, a la 'Walrus' a la everything I've ever written. I threw in the line 'The walrus was Paul' just to confuse everybody a bit more. It could've been the fox terrier is Paul, you know. I mean, it's just a bit of poetry. It was just thrown in like that... The line was put in because I was feeling guilty because I was with Yoko and I was leaving Paul. I was trying... I don't know. It's a perverse way of saying to Paul, you know, 'Here, have this crumb, this illusion, this stroke, because I'm leaving."
Did Paul and George similarly bad mouth Beatle songs? I've never noticed if they did.
I'd have to look for their quotes, but now I remember these songs Paul seems to dislike:Every Little Thing.
"'Every Little Thing,' like most of the stuff I did, was my attempt at the next single... but it became an album filler rather than the great almighty single. It didn't have quite what was required."Tell Me What You See.
"'I seem to remember it as mine... Not awfully memorable."
"Every Little Thing" is one of my favorite songs!