Jarrah said: NASA and the US government had various oxygen fires in the past at the Brooks Air Force Base and the Philadelphia air center between 1962 and 1964, which compelled them to compile a report pointing out the danger of pure oxygen environments. Another oxygen fire, this time in Washington DC, cost two men their lives in 1965.
During his testimony to Congress, Frank Borman admitted "We are very aware of the fires at Johnsville Navy Air Station and also at Brooks Air Force Base"
How could NASA not have considered the plugs out test hazardous when they knew about these past oxygen fires all along?
I don't know how many times this needs to be explained to you, but they were in error. It should have been considered hazardous but after using it for 6 years with manned spacecraft without incident, they became complacent. Let me summarise for you, Jarrah:
They were wrong - it should have been classified as hazardous.
They admitted they got it wrong.
They admitted they were terribly wrong.
They admitted that numerous areas of their operations needed to be at the minimum reviewed, but mostly completely overhauled.
It should never of happened - but it did. It wasn't deliberate, despite all the inuendo and aspersions you make.