How do I know whether another version of a content piece helps readers?
More versions only help when each one has a job. The media panel separated how many ads a team can produce from whether those ads reach people in a useful context, and I think the same split applies to a written content library.
Before you ask for more, name what each piece is for. One article might help a reader choose a first task for an AI agent, another might help them write the instructions, and a third might show how to test the output. Different needs, different pages.
Changing the title while repeating the same advice doesn't create another useful answer. Build a simple content map with the reader question, the specific lesson and the action the reader can take. If two rows have the same answer and action, combine them.
Use AI to compare drafts for overlap, then read the comparison yourself, because an automated review can miss two pieces making the same argument in different words.
When you expand a library, expand the help it offers. A piece earns its place when it answers something the others don't, or gives the reader a substantially different way to apply the material. The count describes the library and gives you no reason to publish repeats.