For the file system, the OS could do something similar to what iOS is doing when you want to share a picture - giving the user control over which pictures the a

For the file system, the OS could do something similar to what iOS is doing when you want to share a picture - giving the user control over which pictures the app has access to. Yeah, for a gallery app it could render the app quite useless because of the UX, but it would solve the issue itself IMO.