I haven't read ahead but this seems like a very stereotypical war tactic they are using. They are allowing the enemy to push into their territory for the purpose of causing them to overextend, where they will then start a heavy spearhead and shatter the line, presumably for an encirclement. The commanders at the front are left in the dark on purpose to prevent mutiny. Or they are just dumb, or the author doesn't know any military tactics. 😵