The issue is that AI is still very bad at making frontends that work well on any kind of device, for blind people or otherwise impaired, color blind, ...
However it's not that anyone cared before otherwise AI would know better than that
It is questionable on how many occasions the world ever wanted more than ‘good enough’. And it is apparent from all the half baked systems we use daily how much this is actually true and how little software excellence matters in a real world scenarios where deadlines and costs are forcing dubious decisions every day.
I've made websites for universities and science programs so I've got a taste of the other side, where money doesn't really matter that much and accessibility is a must.
Well AI does whatever is told. or rather - expounds as per what the anchor (the prompt) started the generation. That is all - it doesn't do more. It has biases because of RLHF and other post-training, but not innate AI-bias. It's like... whatever you put in the archive will later on expound. But that's not the point realy.
The question is what is that we going to command the LLM do, how complete this requirement will be. But hold on - writing JS is not doing UX, and is not doing business analysis - definitely not the same thing.
JS is a general purpose language with fair amount of functional and declarative stuff in it, heavily influenced by Perl and LISP. So why would a person who's not inclined to dive in this matter (typically very hard stuff) would want to learn it, instead of spending a day out in the sun before the world ends? Well she did so (back in the day) mostly because there was a market demand for such skills.
And then we have autodidacts who don't need this type of education (not schooling!), and those that are not. The latter still want to take good salary and perhaps they can be trained into it. So, in essense, many people learned JS because there was a demand, and my prognosis is this demand for people writing JS goes down, not because the demand goes away, but because we won't be needing most of the JS code and perhaps also we won't be needimng UIs very soon (not in the same way we did before).
And, just imagine, if one's aware of first principles in programming, they can easily command the LLM/harness to create a perfectly working Swift code. Saying it because is exactly what myself did, even though this is remotely a language I am good at. Perhaps the amount of effort to get these libs right would've otherwise costed in the hundreds of thousands, now it costs 200$ a month for Fable/GPT6 and not-so-much-of-an-actual-understanding on my side, but a steady pace to keep the harness follow the road intended.
Why would then anyone want to learn JS, save for the fun of it?
However it's not that anyone cared before otherwise AI would know better than that