> That absolutely destroys interoperability Actually android do exact the same thing these days. So you sometimes see 'XXX app want to access your photos', or

> That absolutely destroys interoperability Actually android do exact the same thing these days. So you sometimes see 'XXX app want to access your photos', or a file explore to select which directory you grant for app to access. There used to be a loop hole that any app can read sd card. But it is also sealed since android 10. Now every app see different rootfs. > then a proprietary program can prevent interoperability simply by not actively enabling it These doesn't really matter, a proprietary program can always break interoperability as long as they want. Did you see the old ms word .doc format? Even other version of ms word can't read it correctly, let alone any third party programs.