A public graph should make the path inspectable.
Not every path.
The useful ones.
A reader should be able to see how a thought connects to another thought.
An agent should be able to see the same thing without inventing the missing bridge.
That is part of what makes the graph different from a feed.
A feed shows what came next.
A graph can show why the connection matters.
The path does not need to be flashy.
It needs to be visible enough to follow.