Partially the mothers fault for being dumb enough to use her credit card that way (especially since there ARE prepaid cards that allow you to SAFELY control the expenditure in these services, and the kid can even buy them himself out of allowances, gifts, or good honest WORK)
Not allowed to play for a while?.... !!?!?!?!?!!!
hes NEVER EVER gonna come near a console until he buy it himself PERIOD, (sounds bad but in reality is not so bad, i bought my first console when i was just 12, and my own TV 6 months after that, i pulled it off doing report works for my friends at highschool, i specially got well paid for handy work like models (i was extremely good at those, guaranteed "A" grade) this way he will learn the value of money and the importance of work.