Most people never do hear of it and when they do they chose not to look into for themselves. I guess that they might be afraid that it is true, which it is, and that would mean that everything they have learned and believed up until this point in their lives has been anything but the truth.
I will work on getting that U.S. and U.S.A. topic covered soon since you seem interested in that, Texan's requests get moved to the front of the line.