--You can call them what you want, but there they were ~ doing what stem cells do.--
No. Stem cells are undifferentiated.
Embryonic "stem cells" are undifferentiated, and to a degree they can do anything they wish, and no one seems to be able to do anything about it.
You go injecting embryonic stem cells into the brains of the handicapped they are going to develop into cancer.
You know that.