You would not believe the hubris of our profession in general around "how hard can writing a GUI toolkit be?" and also how little most engineers seem to think about accessibility when scheduling and estimating and architecting.
Backdrop: helped ship accessibility features onto the Google "Nest" Home Hub, somewhat last minute. And then watched it all get re-written for Fuchsia w/ Flutter (which of course had no accessibility story yet) and, yeah, last minute again.
No, I’m aware of how people downplay the scope involved in building a GUI framework. I’ve written your comment no less than (I estimate) 10 times on this very site.
I give these devs the benefit of the doubt given their prior body of work.
Backdrop: helped ship accessibility features onto the Google "Nest" Home Hub, somewhat last minute. And then watched it all get re-written for Fuchsia w/ Flutter (which of course had no accessibility story yet) and, yeah, last minute again.