This sounds ineffective. To most consumers, a software update is an annoyance whose benefits are often hazy. Look how hard they procrastinate free updates. So expecting money for an update to a device that's often replaced within a year or two is a non-starter.
The most effective thing Google can realistically do is ship desirable Motorola phones that get updated to the latest Android version the day of release.
The most effective thing Google can realistically do is ship desirable Motorola phones that get updated to the latest Android version the day of release.