A few points to correct you.
He will get into college. Likely, it will be a good school. Stanford and MIT love students who make waves and "Think Different." Come to think of it, that reminds of a company I once knew...
Apple won't sue a 15 year old. Terrible PR, at a time when PR is hurting Apple.
How is a 15 year old a registered developer? You need to be 18 to enter into legal contracts.
No one is "stealing" from ATT. One could make a very strong argument that people are simply using the service, for which all dues are paid. At the most, it violates ATT's Terms of Service. The legality of those terms of service are still in question. (Net Neutrality)
In sum, don't accused people are stealing. It's an RIAA trick to ramp up the rhetoric.