It depends on the journalist, and it depends on the training. I can speak to my own experience.
I was trained at the University of Toronto with an undergraduate degree in history, philosophy and English. I took that level of learning, and I applied it to a journalism program at a school in British Columbia where you learn the same skills that an honourable member, a lawyer or a regulator might apply to hearing different perspectives and potential facts from different sources, bringing them into one's capacity to sift those facts. In gathering the facts and then reporting them.... Look, there is opinion in reporting. There is assessment. At the best level of journalism, there is getting all sides and then using an expert level of understanding of the issue as best the journalist can to put forward a story in good faith to try to help the widest range of citizens to understand the issue.