That's the thing: the people on G+ seem to use it more as a professional networking tool (like LinkedIn without recruiter spam and more flexibility on what you post). I don't have any friends on G+, but I also don't WANT or NEED them on it. I use it to keep up on some tech stuff and look at photos.

Facebook and G+, while both being "social networks," function totally differently. Whether google wanted it to be a direct competitor or not, it's just filling a different niche.