>>724516330
Hallownest is far beyond Pharloom's borders. Grand Mother Silk's awakening is imminent by the time the choir returns with Hornet captive, and we see multiple examples of bugs which are under GMS' sway that are nonetheless still capable of independent thought like Conductor Ballador, and Forge Daughter specifically states that the Haunting's effect on the Deep Docks is recent.

It doesn't require a degree in media literacy to infer that the Conductors, long subject to Grand Mother Silk's influence due to their use of silk to prolong their own lives, were influenced to exercise GMS' will to return the scattered Weavers or their descendants to Pharloom to face judgment for their betrayal - so they give written orders to their soldiers to carry out.

Also - and I know that this is going to blow your mind - it's a video game and collectible lore items that reveal backstory are kind of a trope. Wild, I know.