This (and several previous posts) feels like a strange path to G.E. Moore's work on meta-ethics. If I may give a pithy summary: you have to start with something. The infinite regress of meta-meta-...-ethics will never lead you to The Good. You need at least a few axioms to start the system.

Does dragging out the ruminations on that make it clearer for folks, or just lead towards useless Caledonian quibbling?