there is no point in criticising philosophy unless you have (1) a better way of (2) answering the same questions.

Um... I'm writing an entire sequence about that, and so is Eliezer...

So you don't gave a better way, strictly speaking, you are in the process of formulating one.... but you are sufficiently confident of success to offer criticism of other approaches in the basis of your expected results?

One might just as well argue that burden is on metaphysicists, to show that what they're saying is useful.

Physicalism is metaphysics,