I'm glad the popular discourse has made it from "train employees better" to "design better interfaces" in this case. But as you point out, this is far, far from a new problem.
It's as if we lived in a world where bridges have been built for decades with structural engineers as optional, rather than required by building code. If your project had a budget for a structural engineer, you hired one, but if not, fine, you just had your construction contractor do their best.
And so now a bridge just collapsed again (fortunately everyone got off in time) and we're talking about how we really ought to design bridges better, but no one is suggesting the obvious, that we legislate building codes that require structural engineers as part of the bridge-building process.
I know this is a controversial idea, as it opens up the question of UX design certification and licensure (if you require UX for critical infrastructure, what are the qualifications?), which can lead to all sorts of unintended consequences of gatekeeping, exclusion, and administrative bloat. But I think Hawaii makes it clear that the status quo is unsafe and unsustainable.