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Comment by fh973 | Hacker News Reader

This is all interesting, but misses the point: the bridge collapsed due to a social (management, responsibilities, organization, ...) failure. Investigating the engineering story distracts from that, both in the video and apparently effectively as there is a NTSB investigation and not mentioning if any organizational review if the same rigor.

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He talks about this a bit in the final three paragraphs, that the people writing the work orders are already overwhelmed by the amount of paperwork they need to deal with, preventing them from paying enough attention to what these reports are actually saying, and these new recommendations will have the primary effect of increasing that burden.

(haven't yet read the full report) If NTSB in non-aviation areas works the same way as in aviation areas, that's definitely covered by the investigation.

That's why ridiculously common case summarized as "pilot error" usually involves several components including organization, training, etc.

EDIT (After reading the report): And indeed, "what we found" section and "what we recommend" is all about how PennDOT and related orgs operate.

Grady does not miss the point, but repeatedly says he does not understand the social part. This calls for someone else with better expertise to do that kind of analysis.

I would argue that he did not miss the point at all actually--he deliberately mentions it at the end.

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