It might help, rather than a blanket "I don't even play my PA3x because the styles are so bad...", you elaborate as to WHY you feel them so bad. Not everyone's musical tastes are the same, not everyone plays the same music as you, or the way you do, and many people LOVE the Korg styles (or most of them!).

So a little bit info might help us understand your position (far removed from most Korg players) about the styles.

I have always said, it is probably best to define WHAT you mostly want to play, then look for the arranger which does THAT the best, then put up with whatever that forces on you. Yamaha excel at Broadway, orchestral and bigband, Korg have smooth jazz nailed, Roland does great rock and pop, they all have their strong and weak areas.

Plus, some players tend to want to play a lot themselves, some just want to peck out a melody and have the machine do everything else. The wrong choice here can also color your impression...

So, before a blanket "Korg styles are bad", it helps to lay out WHY...
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An arranger is just a tool. What matters is what you build with it..!