I still think that's anti-competitive douchebaggery. iTunes has become the standard platform for organizing music, thanks to the success of the iPod. I think it has elevated to a position where Apple should have to tread carefully in anti-competitive waters.
All the information in your iTunes library, including playlists and such, is stored in an open XML file in your home directory. While I think it's a mistake for Apple to play cat-and-mouse with Palm over this, it's not as if Palm couldn't write their own syncing background app that does the exact same thing.
How is that anti-competitive? Apple has done absolutely nothing to prevent Palm from creating a a competing product to either iTunes or the iPod/iPhone. They have in fact given Palm a very strong incentive to do so instead of parasitically hijacking Apple's software.
Nonsense. Apple does nothing to prevent the Palm Pre from syncing with an iTunes library. They only prevent the Palm Pre from using iTunes to do so.