Seeing how Google's intention for Android was OPEN. Then yes, since you know Google owns them, they have to follow Google. Bloat will probably still be, Blur is a maybe. Since Google likes having their Pure Android Experience, they will work on integrating Blur into Android a lot better, so that it is seamless or remove it all together. Not to mention the next Nexus device (Prime or after) will probably be on Moto, which has to be vanilla Android, and no locked bloader.