Most of these are blank G+ profiles (at most a name and gender) -- other then possibly gleaning some insight into how well G+ is doing and how engaged their use

Most of these are blank G+ profiles (at most a name and gender) -- other then possibly gleaning some insight into how well G+ is doing and how engaged their userbase really is, what can you derive from this, really? If you really wanted to crawl these you could do so pretty easily regardless, this is just making it trivially easily.