To discuss or not to discuss - That is the Question

Should Headlines have Shiurim on sensitive issues?
Is it better to educate the public, or is it exposing Bochurim and others to things that they shouldn’t be exposed to?
Is it a lack of Tznius to discuss certain topics in public?
Is there a way to balance Tznius VS public awareness?
Does discussing certain issues promote wrong ideas?
Is it Loshon Horah to publicize allegations against a specific person or is it הצלת נפשות?
Should magazines and newspapers be running ads on these sensitive issues?