"perfectly good" in this case reads a little like "fragile".
We over optimize when things are good and then wonder what happened when there's a pothole. of course people are fickle and of course rates are going to change. Not being prepared for this is irresponsible.
We over optimize when things are good and then wonder what happened when there's a pothole. of course people are fickle and of course rates are going to change. Not being prepared for this is irresponsible.