The Kitepower document is not an independent third-party investigation report, under standard aviation mishap reporting guidelines, and its missing a lot of key evidence willfully withheld by Kitepower management. That’s not conformance to ISO management standards.
Its important not to give up on mishap investigations, until they approximate best-practice knowledge-sharing. Successful AWE R&D must meet or exceed existing aviation safety culture norms. This has been called the “no shortcuts” doctrine on the Old Forum.