Fast-produced reports are often based off of faulty statistcial methods and cannot be trusted. Statistics isn’t as simple as aggregating results from every source you find- it takes much more critical analysis. If these reports become cited within other reports then insufficient processes can become much harder to detect.
People need to be taught how to assess sources properly before accepting them, which requires a lot of thought! I found this short article quite useful, it mentions the most common flaws within coronavirus statistics: