You didn't answer the question "At what point is something so far away that you move on to ideas that are less tested but more grounded?" I have noticed this i

You didn't answer the question "At what point is something so far away that you move on to ideas that are less tested but more grounded?" I have noticed this is common with string theory defenders. They often don't really address the objections, but instead move off in some other direction they find more congenial.