Doing these 'simple' things requires a massive amount of software behind the scenes. No one wants to take the man-centuries to recreate all of that work from sc

Doing these 'simple' things requires a massive amount of software behind the scenes. No one wants to take the man-centuries to recreate all of that work from scratch. Not even Apple did. They built it on top of years of already created work. From a software engineering perspective, you do not want to build something this complicated as a single monolithic program.