Every part of the indictment you either stated or implied against the Ethiopian airline or the government of that country, or both, may be valid and true, MechEngr.
That having been said though, why shouldn't NTSB have taken issue with the accident report, or done so in such a formal manner? Or is your point not that NTSB should have merely shrugged it off, but rather are you trying to impress upon those readers here who might be a ton less cynical and world-wise, the more enlightened understanding of the true state of affairs?