&gt; How are those things innate to having a hierarchical file system? A straw man if I ever saw one.<p>Not innate to having an hfs, just innate to using one. Of course you could drag files around with your finger, or tap into subfolders, or use the keyboard, but those are not taking advantage of strengths of the platform. Meanwhile share sheet extensions are well suited to the modern paradigm of touch, social, and cloud, where the target of a file may or may not be a local filesystem or even an app in its strictest sense. This interface represents an alternative to finding files in folders when working between apps, which is where my comparison was directed.<p>Maybe I misunderstood and you&#x27;re arguing that iOS doesn&#x27;t have a hierarchical file system, but thats opposite of what you were complaining about (obfuscated file systems) earlier in this thread. lmk.<p>&gt; And they were right. Minicomputers didn&#x27;t take in definitively until they became self-hosting.<p>Minicomputers were still considered &#x27;less serious&#x27; than the mainframes long after they stopped being terminals, and they were capable of <i>far</i> less. Unless I misunderstood and you&#x27;re arguing that iPads have not yet reached some modern equivalence to self-hosting... and that equivalence must involve an exposed file system... because it must be able to bootstrap its own operating system...? Genuinely confused by this rebuttal, but open to hearing your ideas.