Since when has Google had 3D maps? Apple has a satellite view too but satellite view isn't a 3D map. Neither is Street View. Google is the one playing catchup here when you're referring to Apple's 3D maps.
Technically speaking, google has had 3D maps without actual building textures for a while:
http://www.google.com/mobile/maps/3d/
Also, their new 3D maps looks amazing. Not sure what you were watching...
http://www.youtube.com/watch?v=N6Douyfa7l8
If you're going to re-invent the wheel, at least do it right IMO.