It was the destruction of a warez group.
In the lead-up to the 9/11 attacks, the most important thing on the DoJ agenda was not to follow up on any of the numerous intelligence leads warning that Islamist terrorists were planning to ram multiple airliners into multiple buildings, but rather to shut down an organization whose chosen line of activity has never been demonstrated to harm anyone.
Putting the factually contraindicated feeling of the software publishing cartels that they're somehow losing money above the actual lives of actual people is a very f'ed up choice of priorities.