None of that says that they're trying to unmask people. That could also be editorializing by the article author. That could also mean, in a literal sense, that

None of that says that they're trying to unmask people. That could also be editorializing by the article author. That could also mean, in a literal sense, that they just want to quantify how many people are unknown quantities, and what code they're contributing. You can make the logical leap to unmasking, but it is still a leap.