There’s a major flaw in Winterfell’s battle strategy on Game of Thrones

Spoiler warning: Mild spoilers ahead for “A Knight of the Seven Kingdoms,” episode 2 of season 8 of Game of Thrones.
We’re barreling toward a big battle in next week’s Game of Thrones, and if there was one part of the plan that this week’s episode, “A Knight of the Seven Kingdoms,” went to great pains to underline, it was that all the non-fighters would be safe in the crypts underneath Winterfell. Davos says it, Gilly says it, Daenerys says it, Jon says