Robert Frost was poking fun at his friend who would obsess over what fork to take in the path as they walked when in reality the choice made no difference.
And “that has made all the difference” is poking fun at self justifications of our actions; congratulating ourselves for doing something not really worthy of accolades.
Still the top three lines do seem like insightful advice. Of course what is really needed is insight into when choosing the road less traveled is wise (or at least a sensible gamble) and when it is less traveled for very good reasons.
continue reading: The Road Not Taken