One document that seems not to have escaped and may not have appeared at the Congressional show trial was the one that specified MCAS behavior. From what I can tell that document would have been sent to Collins Aviation to develop the FCC software for the computer they supply to Boeing.
Others are certain Collins refused the "bad" specification and forced Boeing to develop in-house.
The truly deranged think Boeing outsourced to $9 an hour developers in India. Sigh.
There should not be anything competition-critical in that document and it should have been made, unredacted, a matter of public record. There should also be a documentation trail for acceptance testing and, of course, a comparison between what was required and what MCAS actually did.
This thread has drifted away into the Certification thread territory and has left the indictment of the pilot topic.