The relevance will be revealed in the fullness of time. A matter of personal preference. What choices we make are of little consequences. There are no sanctions for employing personal preferences. A matter of fashion.
Some behavior transcends the realm of personal preference and introduces the element of judgment.
Alexander Pope provides the answer in his catechistic couplet. Be not the first on whom the new is tried Nor yet the last to lay the old aside. A matter of courtesy. Moving up the scale of importance we reach that level of human behavior which is judged on the basis of civility and manners. Unfortunately, this category can be as volatile as its predecessor.