It was made public because the exposed operations of criminals led to threats being made against assumed 'leaky partners'. The police did not want these people

It was made public because the exposed operations of criminals led to threats being made against assumed 'leaky partners'. The police did not want these people to retaliate against other people and possibly endanger bystanders. While it might not be mentioned in this article, it's mentioned directly in an article of the Dutch DA here: https://www.om.nl/actueel/nieuwsberichten/@104414/doorbraak/ https://www.om.nl/actueel/nieuwsberichten/@104414/doorbraak/