That is a very silly way to base a coin's potential value, transaction fees handle that cost automatically more transactions higher cost, but more transactions higher coin usage if anything you just point out with it that doge is used more often and by more people than all other coins combined. How is this a bad thing?
Read the article again
Price goes down, mining goes down, coins generated goes down, usage goes down. That big and scary maintenance cost boogey man shrinks. I understand it very well. That number looks big and scary to the author of that article and to you because of how many coins and how much usage doge has. There is a balance to it all.