but why does "the industry ignored it" hold as the central framing when the actual story seems to be "the DoD mandated it, contractors used it, and it worked fine for exactly what it was built for"? the implicit assumption is that widespread adoption is the metric for a language succeeding, but ada wasnt trying to win over web developers, it was trying to stop missiles from being maintained in 450 incompatible dialects, which... it actaully did?