It's not that the OS is not open source, it's that it seems a privacy nightmare; the fact that the app also runs on the developers' servers just adds to the amount of parties you need to trust. That you and the people around you need to trust, actually.
And the company has strong connections to China, by the way.
The system is also not very open, if the users are forced to use your store.
It seems unlikely that there's much to be salvaged, given that you're using AOSP as the actual operating system.
It's not that the OS is not open source, it's that it seems a privacy nightmare; the fact that the app also runs on the developers' servers just adds to the amount of parties you need to trust. That you and the people around you need to trust, actually.
And the company has strong connections to China, by the way.
The system is also not very open, if the users are forced to use your store.
It seems unlikely that there's much to be salvaged, given that you're using AOSP as the actual operating system.