The modern developer very much cares about user experience which is why the gold standard right now is pixel perfect feature perfect cross platform apps for web mobile and desktop.
Except that’s not the gold standard.
Where are you getting the idea that it is?
Ah, but you see, the modern developer does not care about the user experience. "Developer time is worth more than user time", "move fast and break things", etc. Users are the cattle we feed ads to and farm for salable data.