Let's take a reality check and compare the following similar scenarios: Mahmoud Ahmadinejad, current president of the Islamic Republic of Iran, is (in)famous for denying the Holocaust. In his world it never happened. The rest of civilization is outraged at his sheer ignorance and defiance of true historical facts. I haven't read any Iranian school history textbook, but his verbose utterances at any given opportunity and shameless indoctrination are probably more than what most Iranian children will learn from their textbooks proper.
May I suggest whitewashing slavery with an equally favorable brush or the tragic genocide of Native Indians for future school-board consideration? For me as a European, they don't look so good in America's history either and need beautifying.
The school board decision in Texas wouldn't be such a big deal if Texas wasn't such a large and coordinated market. As one of America's largest textbook buyers, the Longhorn State has a good deal of sway over what is peddled to the rest of schools all across the country. Will we end up with two books for every class: one for conservatives and one for everyone else?
We cannot let it pass as a form of Humpty-Dumptying - as in Carroll's"Through the Looking Glass":