Yes, all of the law tags should just be law. Fundamentally, this isn't a site about law, and drawing any distinction between the various possibilities of law isn't going to bring a person here or not. Fundamentally, this is a site about space, and unless the word "space" is required to make sense of the word (space-junk, for instance), then it should be ...
I disagree. Definition of regolith:
Regolith (/ˈrɛɡəlɪθ/)1 is a layer of loose, heterogeneous superficial deposits covering solid rock. It includes dust, soil, broken rock, and other related materials
(emphasis mine). Regolith is a superset of dust, so please don't treat them as synonyms.