You don’t know that, so best not to point at someone else in calss and act like they’re gotten away with something. Blizzard NEVER tell 3rd party about account actions. And folks tend to, more often then not, lie about anything happening to them.
Yeah, about that, it kind of is. You have no idea where the gold came from. Blizzard does. They can track where it came from, who gotten it and how often someone got X from Y in Z amount on how many times overall.
Blizzard doesn’t mind if you know them and they have gold they’ve made themselves. But it run against the rules when someone get gold from someone who don’t know where the gold came from. As someone else said: