[Spoilers] Fintourist and Old Harry have nothing to see here

[Fintourist]

Surely the fact that you want to be growing your cities bigger to take advantage of the factory bonus is the thing that makes slaving less efficient?

Well, if you happen to have a, say, size 6 city with factory that you are constantly triple-whipping in a non-RBMod game you are taking a lot of advantage out of the factory too, which beats the natural production of that particular city... It's just so that in general factory won't belong to your first infra builds in a new city because it's expensive + you typically want to grow your cities --> you build factories at cities that already have a decent size and are not anymore lucrative to whip. I would say that "having-a-factory" correlates with "not-whipping-too-often-is-the-correct-approach", but there's no causality between those two

will maces queue-upgrade to rifles?

I would imagine, but maybe someone can confirm this?