Earlier quoted context omitted.
> Well, okay, although given its deployment on 2B devices it's probably the best argument for Linux. One could have said more or less the same about Symbian not that long ago. > Nobody defines Android in this way, by a single component, and in a way the author even acknowledges this. That's right, it's not defined by any particular software component. Any particular component can be replaced until the whole thing is…
> Development of mainline Android happens behind Google's closed doors, and is thrown over the wall to OEMs You don't know much about Android, do you? Here's Android: https://github.com/android Developed behind closed door? I don't think so. Maybe you meant iOS, though? Because that OS is certainly being developed behind closed doors.
Yes, Android is developed behind closed doors. Primary development occurs with a Google-private repository, and only made public at or near the point of a release.
This is different from the way Chrome, ChromeOS, Linux, Swift, etc. are developed, where primary development occurs in the open.