Reducing the number of journalists implies that supervised learning[0] was effective enough to begin to replace some human effort.<p>[0] <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Supervised_learning" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Supervised_learning</a>