Yes

Who says playing the first 12 won't make it worse

Quite the opposite.

As a fan who has come in recently and just yesterday finished every game, here is what I learned. You will never truly understand kingdom hearts no matter how hard you try. You can get more context and be less confused by playing the other games or you can just choose a game and

No

You will understand it as much as the people who been fans since day one... Which is to say, you won't understand it at all.

@AngryJoeShow look

You won't understand even if you've played the other 12. If anything, you'll only be more confused.

You wont understand 3 even if you played the first 12