Sure. My point isn't that +1 should be all things social for Google, rather why isn't there +1 button on YouTube or in Reader? If it were there, people would use it. And if there are buttons there that aren't being used, such as 'like' and 'share', get rid of them. If they all get used, great.

It just seems like a great way to create a more unified social experience for users to leverage the thing that's working - +1.