Most NetSuite documentation gets stale for a simple reason: it lives outside the system it is trying to explain.
A consultant writes a handoff doc. Someone saves a diagram. A developer leaves comments in a script. All of that may be useful on day one. But the next deployment changes a field ID, moves logic into a scheduled script, or adds one more workflow condition. The documentation does not know that happened.
That is where teams start losing trust. The wiki might be right. The spreadsheet might be close. The senior admin might remember the real answer. So every question turns into a small investigation.
The real problem is distance
The farther documentation is from the live account, the faster it decays. NetSuite customizations are especially vulnerable because the important context is spread across scripts, custom records, fields, workflows, saved searches, and deployment settings.
A field is rarely just a field. It might be read by a user event script, written by a map/reduce job, filtered in a saved search, and displayed on a form used by one department. If you only document one piece, the page looks complete but still misses the dependency that matters.
Better docs start with the source
The practical fix is to make documentation follow the account instead of asking people to remember to update it. Pull the live scripts and metadata. Explain what they do in plain English. Link related objects together. Refresh it on a schedule.
That does not replace human judgment. It removes the first hour of archaeology, so the person debugging the issue can start from a current map instead of a stale memory.
That is the core idea behind CSDocs: documentation should not be another manual process your NetSuite team has to maintain. It should be a byproduct of the system you already run.