I'm a game right now, the mix looks very strong. Statecraft's science policy is great, I have scholarship so allied CS following my religion kick back about 10 science each. With the inspired works reformation belief your embassies get high science too, which you get 25% of.
It does take a while to get constabularies in all your cities though, you get 0 production (outside the capital) from any of these social policies. No happiness either, but I only have 6 cities.
Does it? If your taking it as your 6th policy than you are already in late medieval, early renaissance. I don't feel an extra 1 culture per city is going to move the needle at all.
Playing for a science victory I'd be surprised if you weren't in Renaissance on your 12th policy. I was actually 10 turns away from Industrial era when I got it, if I was already there I would have started Rationalism instead. I don't think you should reach industrial before your 12 policy unless your culture is just bad though
I mistyped, it's 1 culture per specialist. It was worth 25 culture when I took it, mostly in my capital. I had 220 culture not including it, and about 110 culture of bonus yields. I think it's better than the next fealty policy or the next statecraft policy. You want it last among these policies because you need time to build up great works. The policy was worth 37 golden age points, which adds up. It gave me an extra 14 science, which isn't much compared to my total but it's not nothing either.
Long term 1 culture per specialist is worth a lot. Later on all cities will be working every scientist, that's 4 with the core buildings, 2 more for observatories, and another 1 if you are Babylon or Korea. Plus guilds, and my capital has been working around 10 specialists for a while.