Is it one of these things, that there are so many edge cases, regulations, domain knowledge involved that makes it perceived as too big to change?<p>Because I&#x27;d believe that you can&#x27;t just make something that looks better and sell like you&#x27;d sell a typical SaaS product, there must be tons of regulations.<p>On other hand, while studying in the UK, I briefly met a PhD student who was making offline-first web apps to calculate the dosage of the medicine etc and hospitals in the UK where actually using them (and paying him to develop).