Yeah, I love your idea with the Chemist (though I'd keep it called Chemist as that sounds nice), but people really wanted their Sneak Attack, Trick Attack, Treasure Hunter, Flee (we have Flee already, it's called Sprint, and it's faster than Swiftsong and almost as fast as a mount) Thieves with their iconic green vest-and-tubetop AF. And they will keep demanding it despite the fact that Yoshida has been trying to avoid direct inspirations from XI this entire time. Not even Tanaka wanted to draw that heavily from XI.