Why don't governments just establish departments/ministries to quell disinformation if it is so important. I think a Ministry of Truth similar to Ministry of De

Why don't governments just establish departments/ministries to quell disinformation if it is so important. I think a Ministry of Truth similar to Ministry of Defence is what will do the job. Given that so many people in Government and media think the truth is always objective and universally known, a Ministry of Truth seems like an inevitable conclusion. Just like the FDA does for food, it can determine what falsehoods are hurting regular people