You said "What if I told you that those caves would be the same age regardless of who inhabited them over the years". One logical implication is that you think

You said "What if I told you that those caves would be the same age regardless of who inhabited them over the years". One logical implication is that you think the age does not refer to the time at which the cave was inhabited, but to something else. It is reasonable to assume the only other thing you could be referring to is the age of the caves themselves, geologically. You should explain your thoughts more explicitly, rather than relying on implications delivered via sarcasm.