"Failing to answer such questions thus far doesn't mean they cannot be answered in time."
Delete your name from the post and this could be a YEC talking point on any number of issues! ("Just because we don't have evidence for a global flood, doesn't mean we won't in the future"; "There are no real contradictions in the Bible, just apparent ones and unanswered questions that will resolve themselves and be 'answered in time'")
Seriously, what's to stop *anyone* from trying to save *any* view by appealing to what *might* happen in the future? "We might find evidence in the future," "We might find answers to these questions in the future...."
You truly need to stop using this weak, failed tactic, which does nothing to advance your position, and which is little different from what YECs do when they don't have answers or evidence. If you're going to keep using it, then you can't criticize YECs when they do it too.
***Better is to honestly admit the strengths and weaknesses of one's position!
You have not answered anything, the only thing you have implied is that others think something so you don't have to think about it.