Yes, there is an entire narrative that first there was chaos, then there was waterfall, and then there was agile.
For example, https://www.infoworld.com/article/2334751/a-brief-history-of...
It's as if people believed that all the microcomputing software of the 1970s and 1980s, from VisiCalc to Zork to the Macintosh, was done by waterfall design.
Right, some people believe that. But did any of the signatories of the Agile Manifesto?