You can see it more broadly, at least in Australia. I've been going through some of the examples listed at this blog: http://www.unsanelygreat.com/blog/2012/6/24/google-maps-vs-a...

Many don't line up with GeoNames data, but they do appear to be cases where a town name clashes with the name of a local council area, and Apple Maps have chosen the council area instead. Wanneroo is another example here: http://theamazingios6maps.tumblr.com/post/32038150409/wanner...