Is it stealing if the company gives you the coupons? They could have detected that his account already benefited from a 50$ rebate, no?
With Sprig, I invited my second dev phone as an experiment, but I have never used the remaining credit- I simply have very little use for their service. And I can prove that. How is that stealing? I think you should be careful laying anonymous accusations.
Some of you guys have a promising career waiting for you at the RIAA.
IMHO it'd be more of a Tragedy of the Commons type of scenario, where a few users taking advantage of loopholes in the rules might hose the deal for everybody.