That's where companies like Arria https://www.arria.com/ doing natural language generation step in so you can't tell the difference if it's machine or human generated. Well that's the promise.

Yes, finance and sports and weather and other metrics reporting is already highly automated.

Automated Insights https://automatedinsights.com - writes all the routine corporate earnings stories for Associated Press so they can cover more companies and let journalists actually investigate and write more nuanced pieces. Some earnings reports start with the software writing and get augmented by human journalists.

These are indeed frequently generated automatically.