Without these visually enticing structures we would have a harder time deciphering complex information.
What can be more complex than explaining bitcoin? How would you boil bitcoin down into a graphical representation that explains things clearly?
Thinking,thinking..... an idea to start with is showing pictures of different currencies in history and their bad outcomes related to hyperinflation ie wheelbarrows of cash needed to buy bread.
It would be pretty dramatic to see a comparison in relation to bitcoin where there is no possibilty of inflation.