:P I think its still nice he's giving an example (it does illustrate his point). Maybe add on to it EQ? I'm sure you have a good example of how to setup both smoothing groups + uv setup so that you'll get some good results from the bake.
U've got a lot of problems with your normal map...and that because u didn't used smoothing groups(hard edges in maya....really dunno what software u use). Here is an example how the normals should look like.