Here are a few options for a formal revision of your title:

• Option 1 (Direct and academic): “Hahaganda: The Use of Mockery and Parody to Promote Russian Disinformation in Europe”
• Option 2 (More analytical): “Weaponizing Humour: An Analysis of Russian Disinformation Narratives via Mockery and Parody in Europe”
• Option 3 (Concise and sophisticated): “Hahaganda: Strategic Deployment of Parody and Mockery within Russian Disinformation Campaigns in Europe”

Recommendation: Option 1 is the most balanced for a professional report or research paper.

Here is a more formal version of the title:

Havas Reaches Settlement with FTC Regarding Allegations of Misinformation Collusion

Here are a few options for a formal rewrite, depending on your focus:

• Most direct: “The Risk of Formal Censorship in Public Health Policy Debates”
• Most academic: “Evaluating the Prospect of Institutionalized Censorship in Public Health Discourse”
• Most professional: “Assessing Potential Restrictions on Public Health Policy Debate”

Recommendation: “Evaluating the Prospect of Institutionalized Censorship in Public Health Discourse” provides the most formal and authoritative tone.