That article even says that there was "extensive reporting showing that the Bush administration was making plans for an Iraq invasion before the advent of intelligence used to justify it."
The point is that it was an integral part of a propaganda campaign to sell the Iraq War.
The meme of "fake news" fuels an environment of groupthink deciding what should be outright ignored. It is thus a tool of power, not truth.
[0] I am aware of the general blindspot created by writing these people off as idiots, alas.