If Google is broken into parts, then each parts will be owned and operated by different people, and different people will have different interests. In addition,

If Google is broken into parts, then each parts will be owned and operated by different people, and different people will have different interests. In addition, people generally don't willingly cede their power for the common good. That is why they will probably not cooperate. Of course, your imagined scenario could totally happen. But I think the opposite is more likely.