This is what you are suggesting.

Further, "net negative" means nothing when talking about O-1 visa, which is quite literally a game to get very impactful people into the US. Being "net positive" is not enough.

> Maybe he didn't get that yea through a black letter reading of the law, so what? The visa-issuers think it is fine. The outcome is good. So in this case the system could be said to be working.

Investigators can make redeterminations. That is why a bunch of people do get booted out of these visa programs, and should. You do not stop being judged upon receiving a visa. A system that rubber stamps "yes" to a problem in 100% of cases where 99% is cost efficient, but it is not a system that works. That system needs to account for bad data, and should issue "no" when it matters.