I'm torn.
I like the APs and most of the content books, but I feel like a lot of first party material is quantity over quality.
The tendency of certain parts of the online community to focus so heavily on creating and playing optimized characters weighs heavy and bleeds into real life play.
The vast breadth of the system (the skills and feats and sheer amount of stuff to keep track of and know or at least be aware of) is daunting.
I am not particularly tied at all to Golarian lore or flavor, but I love the "dungeon-punk" art style and feeling of the world, classes, races.
I both love and hate the vast number of classes. It's really great to be able to keep very specific and non-traditional class options. However to pull this off, they often feel like a mish-mashed grab-bag of class features rather than an organic, "real" being.
All this kind of is made worse by my growing distaste for playing to the rules rather than the story. If I wanted a game that was governed by rules, I'd play a video game.
I'm tired of living the trope of stopping the flow of the narrative to track down a particular rule or obscure exception to a rule (made all the worse by the vast quantity of material that is not internally consistent, either by design or mistake).
I have a bunch of books that I now only use as inspiration for material for the other games I play.