As multiple sources on Twitter and from various gaming magazines have pointed out, Firaxis is hiring for various positions, including a narrative lead with knowledge about world history.
What does this mean…? I think we can only speculate ;).
Read some news items here:
https://www.pcgamesn.com/civilization-vii/narrative-lead-job-posting
Discuss here at Civfanatics: https://forums.civfanatics.com/threads/it-sure-looks-like-civilization-7-is-getting-underway-at-firaxis-pcgamesn.672409/
Follow this discussion on Twitter: https://twitter.com/civfanatics/status/1427002147493842945