It also "outed" more rats, showed everyone that there are people who cannot be trusted/are out to stop the process/are willing to cause physical harm to those who challenge the narrative and highlighted the need for them to be extra cautious, do everything by the book and be as security-conscious - with people, processes and data - as possible.

If Lindell and the team didn't have "the truth", weren't "over the target" and didn't pose a threat to their nefarious plans, the enemy would have ignored the symposium.