I don’t disagree. The point I may have misunderstood is putting development effort into a SPA that only uses JS and works well with a screenreader versus the n

I don’t disagree. The point I may have misunderstood is putting development effort into a SPA that only uses JS and works well with a screenreader versus the non-JS alternative that also works well with a screenreader. Of course, it depends on where in the development process the developer becomes ‘aware’ of making the site compliant. As you said, ‘do the right thing from the get go’.