Reg."both American and European history lessons are also subject to errors, bias, and misleading information" Expecially in Europe I'd say, in the US at least its more easy to complain about it, or even go to court if it relates to a group of people, and in that case have it changed.

Reg."the development of the two scripts (to any scholar's eye) is very different."

Yes, plus note the archaeologist according to the innitial news story, was walking around showing reporters the excavation and just happened to pick up pottery fragments that carry China's oldest signs. All reliably dated, I'm sure.