Age appropriate books intended for that still get banned, so the assumption is just that the decisions about it won't be made in good faith. "X has two dads" kind of books aren't really adult, and yet...
unless they're gonna bribe Clarence Thomas and the rest of the Bush appointees with more $$$ and goods that their current backers that approach is going to fail
the Tea Party's main goal was to get their people into local / state / federal circuit / SOCTUS positions, and they have succeeded.