I'm somewhat convinced that Apple wants to remove the notion of a Unix filesystem (there are files and directories of files/directories and they have owners/permissions/etc) from their users' understanding of how to use a computer. Both out of ideological purity ("what is a computer?") and so that their users can't use a different device that has an entirely different mental model for interaction.
I already see this with juniors/students/kids that grew up using nothing but mobile devices, tablets, and chromebooks with GSuite. They don't know what a file is.