With the combining, I need to manage an entire social networking tool in order to see locations. I just want the radio, not a car with a radio in it.
This in addition to convincing people who have never even heard of google+ that they should sign up and manage for themselves, rather than simply accept an invitation email and forget about it.
It's like asking for scissors, and being handed a giant swiss army knife. Sure, it has scissors in it - but they are not as good, harder to find, and mixed in with a bunch of stuff I just don't want or need.