[cratermoon]

Don't forget the Challenger SRB failure. Flown outside of design criteria with known flaws. But each time the shuttle flew with and SRBs had burn through, it was taken to mean not that there was a problem, but that the behavior was "safe".

[dredmorbius]

Normalisation of Deviance.

https://en.wikipedia.org/wiki/Normalization_of_deviance

See Charles Perrow's Normal Accidents and The Next Disaster.

https://en.wikipedia.org/wiki/Charles_Perrow

[cratermoon]

That's the idea. The exact formulation of the term had slipped my mind.

[dredmorbius]

Right.

Knowing the extant nomenclature is useful in researching ideas / literature further. I'm often stymied because I don't know what things are called in certain domains. Psychology seems to be especially prone to this for me.