But it is, and will always be, a question of authority.
That's an interesting idea.
If you are correct, then creationism has chosen its battles very poorly. For knowledge of the world will always be derived from observational evidence, and cannot be held hostage to authority. By challenging science, the creationists have taken on a battle that they cannot win.
For cultural knowledge, the situation is different. Authority can be a source of social/cultural knowledge. For authority can set the rules, and the rules influence the direction of the culture. But even here, conservative religion is on the losing side. Gay activists have been gaining support. Pop culture has been more influential than the church, and rapid technological change undermines the traditional resistance to change of conservativism.