Until it leads (as it inevitably tends to) to closed, and therefore irrelevant, universes of discourse, as appears to have happened in this corner of philosophy.

Pruning branches is an important part of growing a decision tree. Don't cut down the tree if some branches went in the wrong direction.

I suppose that is OK if you already know in what direction your preferred answer lies, but it does not seem to be in the spirit of self-referential skepticism.