It's a government audit, not a private company, so the results will be made public regardless. If the audit finds that the computer code is actually correct according to the laws, but it's the laws themselves that are illogical, wasteful, or easy to defraud, that is still quite useful for the public to know. I agree using Twitter is unconventional but again, it's an audit of a massive public program to which virtually every American who pays taxes contributes (except, ironically, many government employees themselves)