Well, none taken. Its just that it was kind of overkill.
Besides, as I said I don't think that there are other sources of stem cells was ever disputed. From my understanding its that the ones from embryos are the best.
Actually, it's because of the capacity they have to develop into organ tissues and nerve tissue. If you read the information in about the fat cells, you'll notice that the fat cells were developed into cartilage, bone, and skeletal muscle cells -- ALL parts of the skeletal system. While this would help some diseases, the big ones that this research is supposed to be aimed are mainly neurological disorders.