It's definitely FFIX. It really shows that the main character is a thief because so much more revolves around it. The enemies generally have multiple steals (which is the only FF game I'm aware of that has this, except I guess FFT where you can specifically steal different equips) and bosses often have good equipment steals. Success rate is still frustrating, but you'll at least probably get something pretty quickly, while in other games you can fail slot just to get the one steal.