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Emperor
Several times I've seen the AI go both Liberty and Tradition and do really well with it. Mostly Hiawatha, but Caesar did too in a recent game and he was mighty tough to deal with. So I tried it.
Rome, emperor-level, continents map. I opened Tradition, then went full Liberty (nothing all that unusual there), then I went back and finished Tradition before moving on to Patronage, Commerce, or Rationalism (etc). It only delayed opening Rationalism by one or two policies, but my culture was so high I think I finished it faster, as well as filling out most of my ideology, Patronage, and starting on Commerce when I noticed nobody had build Big Ben again.
I ended up with about 7 or 8 powerhouse cities. Built lots of wonders, captured and annexed the capital of the other civ on my continent (Morocco), and won a science victory just a couple of turns before I would have been the world leader. I did not need the Freedom's "Space Procurement" tenet because I was building parts in 6 or 7 turns in multiple cities, so I took Media Culture instead because I had CN Tower.
Other than hamstringing Morocco I mostly played peacefully. Everybody was afraid of me.
It could have just been a fluke because I got a good start.
Rome, emperor-level, continents map. I opened Tradition, then went full Liberty (nothing all that unusual there), then I went back and finished Tradition before moving on to Patronage, Commerce, or Rationalism (etc). It only delayed opening Rationalism by one or two policies, but my culture was so high I think I finished it faster, as well as filling out most of my ideology, Patronage, and starting on Commerce when I noticed nobody had build Big Ben again.
I ended up with about 7 or 8 powerhouse cities. Built lots of wonders, captured and annexed the capital of the other civ on my continent (Morocco), and won a science victory just a couple of turns before I would have been the world leader. I did not need the Freedom's "Space Procurement" tenet because I was building parts in 6 or 7 turns in multiple cities, so I took Media Culture instead because I had CN Tower.
Other than hamstringing Morocco I mostly played peacefully. Everybody was afraid of me.

It could have just been a fluke because I got a good start.