Hyatt Regency Collapse: How a Design Change Caused Failure

HN cites it as the standard case study of how a small unchecked design change causes disaster, and of why engineering process and bureaucracy exist.

A Tom Scott guest video by Grady Hillhouse of Practical Engineering on the 1981 Hyatt Regency walkway collapse. A seemingly minor change to the support design led to catastrophic failure, which is why the case is taught as a lesson to check and double-check everything.