Honestly didn't know how much I didn't want the Celts or the Zulu in the game until I saw the leak.
Ugh, you know, I'd be absolutely fine with them in a probable second expansion pack. We have much more urgent series staples to be added, though (the Ottomans, Inca, Maya, Babylon). On top of that, we already have a fair number in the pack already (the Mongols, not to mention the Netherlands and Korea which I'm pretty sure have been in since civ 3).
The continual inclusion of the exact same incarnation of the Zulu, while omitting the many, many extremely significant cultures and empires that flourished throughout the continent, feels as at this point as unimaginative and borderline offensive as just leaving Africa out of the equation altogether would be. Let's be honest: the Mali should be the series staple; the Zulu the interesting one-off.
And of course we're all on the same page with the silliness of civ's version of the Celts.
One, I could deal with. The prospect of both.... did I say unimaginative?
I don't know, I'm trying not to feel apocalyptic about it, because the source seems extremely unreliable, but... my enthusiasm has definitely deflated a little, lol.