 The Mattis directive did not distinguish between various versions of EBO within the United States military, but it did state that the memorandum does not address the NATO version of EBO—implying that the reason is because "NATO's policy focuses on the whole of government/Comprehensive Approach.Since the release of the Mattis EBO memo, he has reportedly indicated that the intent was not to make an assessment of the Air Force version of EBO, so the critical assessment seems to be levied against a brand of EBO taught by his command.Coming from the commander of the one command (U.S. Joint Forces Command) that was supposed to be the advocate for innovative ways to conduct warfare, the Mattis order to ban the use of the term "effects-based" was odd, and some have characterized it as similar to "book burning" to stem the spread of ideas.