Pages upon pages of worldbuilding notes, noble lineages, shifting political landscapes, it doesn’t matter.
Until you make it matter.
I’m always reluctant to start worldbuilding before I’ve started to write the story. All the bloody tears that went into that world can be erased with one wayward line of dialogue. I could always rewrite that line, but is that the right decision?
Sometimes the worldbuilding is wrong. Being beholden to a document isn’t the way to write a story. Instead, the story should dictate the worldbuilding. There has to be malleability to my worlds, there has to be room to move the pieces, realign the axis, erase an ancient king from its history.
What I’m getting at is that all the history and trade routes and political systems don’t matter until you make them matter. If it’s not on the printed page, then it’s on the chopping block. It can be changed, erased, altered, or never even see the tail end of a blinking cursor.
In this case, I think there’s a detriment to being over prepared. The story and characters should always come first, and the worldbuilding second. Being beholden to a worldbuilding doc is setting up a series of hurdles in front of your story.
I say chuck it all and dive into the story, let the worldbuilding come after.