You hold UI Development in too high esteem. It is not a graceful and delicate art, narrated by a smooth voice as the hints of a beautiful interface coming together are seen as reflections on a developer’s glasses, contemplating the placement of pixels quietly and softly in a dimly lit room on well calibrated monitors, thinking of the people who will consume the content.
It is loud boiler room sweatshop where a low wage Javascript assemblyman slumped in his chair looks away from his laptop to eye the clock while his manager stands over his shoulder with arms crossed nodding his head and suggesting to give the page some more pizazz.