It is like you expected. I realize now, I don't actually know what it does exactly.AlanH and Deckhand, thanks for the Mac save! Playing already
What are exactly "random personalities"? When I tried a test game on Mac, I got more like unrestricted leaders, eg Huayna of Khmer I thought random personalities would be e.g. Hyaena of Inca, but a warmonger. Or warmonger Gandhi, LOL, or Isabella not caring about your religion Am I right?
For sure: Certainly, the civ personalities are not what they normally are. Personalities are rolled at game creation start afaik.
Don't know: are all stats (see Civ Illustrated) rerolled at start of game? or are leaders reassigned personalities of other leaders?
personality isn't in the world builder; I think personality is set when game is started, so all PC games would get same personality; but Mac saves would have different personality from the PC save. And maybe it even works differently on Mac per your test.
I'm glad events are on because I can think of this PC/Mac difference as an "event".
Something else I don't know is if any differences between Mac and PC Buffy events. (Buffy3 got rid of most egregious events, I'm not sure about Buffy5)
https://forums.civfanatics.com/threads/civ-illustrated-1-know-your-enemy.478563/