There are tons of things to criticize google for, but the fact that they won't maintain a client app that's so barebone it's practically unusable anyway, isn't one of them.
Google is slowly but surely turning more and more components of Android into closed source code. This is a targeted effort to kill AOSP and lock consumers into their ecosystem. The end result will probably look a lot like macOS: a few open source parts, but primarily a proprietary stack.
What? Just checkout the sources and go through them, maybe?
> not having properly supported open source apps is not the best
If your definition of "properly supported" means "supported by Google", I guess...
I think you misread my comment, or I wasn't clear enough, I work on AOSP daily so I know very well what's in there :)