Sorry stupid question(s) here. People use mobile phones now for basically everything. JS is for building web apps. Webapps are god awful on mobile devices. So

Sorry stupid question(s) here. People use mobile phones now for basically everything. JS is for building web apps. Webapps are god awful on mobile devices. So why is everyone switching over to JS? Why not just ios/android native -> to a backend. If you need a webpage just a few beautiful static html pages is great. People like the broken scrolling, the rotating arrows, loading circles, alerts?