> infrastructure and professional norms around classical engineering disciplines just aren't there (yet) for developers.

I honestly doubt it will ever get there. Our profession pretty much materialized over night in comparison to other disciplines, and in a rapidly evolving environment, with a much broader application. Only so many bridges/dams/buildings are built in a given time frame and have such incredible capital costs, and human life costs if they get it wrong. It makes sense to carefully curate who and how those things get built. The vast majority of software on the other hand, unless it is for medical/construction/factory equipment that can kill people, is usually super low stakes. And with the democratization of programming in general, even your VBA-curious business analyst can do it in their spreadsheet. Sure I can do the pro se thing in court (and lose my life/freedom), read webmd and treat my own cancer (and die), build my own dam (and flood my neighborhood), but we gatekeep those professions because of the dire consequences of fucking it up. Until software more broadly has those kinds of consequences, there will be no licensure.