There’s no trick to it, you’re overanalyzing. It’s just saing if I were a stone -> no experience, a bat -> some kind of experience. It is not claiming to define the ”something” as you seem to think.

>It is not claiming to define the ”something” as you seem to think.

Certainly it's not claiming to define it, but it is making a claim about the existence of the "something", and also about the physical irreducibility of this "something".