To take this a different way, Devs need AI-driven system design tools, not diagramming tools. The work to automate the process to define, code, deploy, and document tech/app solutions using GenAI is arguably well underway and the days of humans producing layers of boxes and arrows documentation is thankfully numbered.

More directly, the need for the special snowflakes and the ensuing complex system design processes will be reduced as we drive towards more automation N(A) frameworks.