art has value if it provokes feelings and emotions in other, because in many
examples, photography has the power to start movements and possibly make a big, if not huge difference on goverment and/or society.
while i agree that some old people are of little value to society as a whole, they are important and sometimes essential to raising the next generation, could you honestly say that your own grandparents have never taught you anything about later life, or inspired to be passionate about something.