That's quite true. The consumer currently faces three choices: (1) Dangerous insecure apps-can-trash-my-machine desktop OSes with complicated or confusing inst

That's quite true. The consumer currently faces three choices: (1) Dangerous insecure apps-can-trash-my-machine desktop OSes with complicated or confusing install / uninstall semantics and "OS rot" due to installs/uninstalls actually modifying things outside the app. (2) Jailed devices, where you control very little outside the app world and someone else has root. (3) The cloud, where you don't control anything.