I had to laugh, quite honestly. "You can do anything you want" - if Mommy and Daddy will pay the bill. A very expensive piece of refrigerator art...
Apparently 700 buyers/readers disagree with you on the fridge-art thing. . .
Writing for publication is a business, and in business you keep score with money. So far, this teenager's scorecard is a lot better than probably most of his critics' scorecards.
Those who can, do. Those who can't, teach. Those who can do neither, criticize--constantly.