Oh please with the righteous Robin Hood ethics. First, they were not stronger than him, that how he got in. Second, just because you're a bank, it doesn't mean having hundreds of thousands stolen doesn't impact anyone, or is somehow just, for that matter. Third, what do you call framing the Brink-guy for smoke-screen? Fourth, or withdrawing from thousands of pirated credit- and debit cards? Fifth, or stealing a national treasure from the people of Austria, only to stick it in a cellar, to be lost?
Even though he didn't exploit personal weaknesses in the same way a drug-dealer does, he did indeed inflict harm on actual people.