But what if its just wibbly wobbly timey-wimey instead?

Probably a side effect of the naming habits of scientists dealing with theoretical ideas. Dark doesn't mean the material is black, just that it doesn't reflect any visible light based on normal human vision. God partical had absolutely nothing to do with an actual God but had to do with how hard it was to find and calling it the God damn partical wasn't allowed. The general public has sensitive ears.