Acrimonious
From a recent Axios article about newspaper presidentail endorsements 🔗:
More than 200 publications owned by hedge fund Alden Global Capital, including the Chicago Tribune and Denver Post, declared in 2022 that they would no longer endorse national political candidates in their opinion pages, arguing the public discourse “has become increasingly acrimonious.”
Merriam-Webster defines “acrimonious” 🔗 as “angry and bitter”.
Personally, I would prefer newspapers not to endorse politicians at any time. The current level of bitterness of public discourse is irrelevant.