People bitch about the Android kernel and its lack of upstreaming because we get stuck with perfectly serviceable devices that are dangerous to use because they

People bitch about the Android kernel and its lack of upstreaming because we get stuck with perfectly serviceable devices that are dangerous to use because they don't get updates 3 years after we bought them. Forking a project with your only intent being to get something to market is a bad idea, see the current effort Google is having to put into getting Android back to the mainline kernel, and they're still years away from actually succeeding.