So you end up with amoral, asocial, ""people-blind"" Creations that cannot tell individual mortals apart (too thin in the aether) and only react to threats to the leylines. Even if that threat is a sick kid needing healing. Their directive says preserving the lines takes precedence.

It even accounts for why they've largely STFU after the latest rejoining: maybe they're less powerful in comparison to their surroundings. Maybe the rejoined world is strong enough not to raise any concerns. Or maybe they've gone dormant now they reached the point Hydaelyn told the 13 would be safe.