In many aspects of technology delivery, something-"as-a-Service" is considered the ultimate end game. In user experience, however, it may only represent a step on the journey.
That's one of the many takeaways of a recent talk by Jared Spool, a writer, researcher, speaker, educator, and an expert on usability, software, design, and research. Notably, Spool points out, UX is a gradual journey, one that could unfold over many years.
https://www.zdnet.com/article/deciphering-the-5-most-important-stages-of-ux-design/