It funny that despite how terrible, convoluted and maladapted web tech is for displaying complex GUIs it still gradually ate lunch of every native component library and they just couldn't innovate to keep up on any front.
Amazon just released OS that uses React Native for all GUI.
It's easy to design bad software and write bad code. Like the old saying: "I didn't have time to write you a short letter, so I wrote you a long one". Businesses don't have time to write good and nice software, so they wrote bad one.