In the Law Moses commanded us to stone such women. Now what do you say?
A bit of a nitpick here, but statements like these do not claim that Moses wrote the Torah. The quoted statement just says that the Torah, which is not written in first person anyway, contains Moses words.
I must emphasize that I am nitpicking, because your main point is well argued. However inerrant Bible worshipers have a number of techniques for defending innerancy despite statements like this one. One doctrine is to talk about dispensations. 'Moses was right for his time, but we are in a different dispensation after Jesus'.
Under a government which imprisons any unjustly, the true place for a just man is also in prison. Thoreau: Civil Disobedience (1846)
History will have to record that the greatest tragedy of this period of social transition was not the strident clamor of the bad people, but the appalling silence of the good people. Martin Luther King
I never considered a difference of opinion in politics, in religion, in philosophy, as cause for withdrawing from a friend. Thomas Jefferson
Seems to me if its clear that certain things that require ancient dates couldn't possibly be true, we are on our way to throwing out all those ancient dates on the basis of the actual evidence. -- Faith