Earlier quoted context omitted.
>Because its existence relies on a good will of Google AOSP is open source. Anyone can fork it. >Google will allow only apps from verified developers This is done by Play Services which is not included in AOSP even. >Only megacorps will likely be able to support a hard fork for such a large codebase. The same can be said about any operating system. The scope of an operating system is huge.
> The same can be said about any operating system. GNU/Linux is already supported without a (single) megacorp. So not all OSes have this problem.
Sailfish is more like GNU/Linux, that is the OS in this context. For Jolla that is less code to maintain themselves then what Google maintains in Android/Linux. Hard forking Android/Linux looks to be quite a big bite to chew on.