Did you read the article at all? A game says it is for 3 years old and above and it uses trickery to manipulate a 5 year old into thinking that real money is just game coins. How are you supposed to control that?
By actually parenting your kid and what they do instead of just plopping them down in front of the app store?
Did your 5 year old manage to open a credit card in their name or crack your password? Are they lifting your fingerprint with super glue and tape?
by outlawing it outright. the law should then provide that they can ask for all money spent to be returned. this should apply to all games targeted at children, even if an adult plays it.