Lord Gortash has effectively taken control of Baldur's Gate by the time the party reaches the city in Baldur's Gate 3, and that includes control over the local media. The gazette Baldur's Mouth sings Gortash's praises, and it has fewer kind words to spare for his enemies.
Baldur's Gate 3: Stop the Presses Quest Guide
Players who enter Baldur's Mouth must act quickly if they want to save the party's reputation.