I enjoyed your post but just had to comment on the above. I consider myself a reasonably hard-core Civ IV player and I do play at fairly high levels (emperor for fun, immortal for a challenge, deity if I feel like getting mashed unless the start is reasonable
). I just want to say that there may indeed be "fans" commenting as you describe - but I'm not sure they represent the majority and they *definitely* don't speak for me.
I'm not an espionage fan, admittedly, and they could lose that aspect as far as I'm concerned but that's because I personally don't find it advantageous by comparison with other investments I can make. Having said that, if only the damn AI would stop assigning spy specialists, I can easily live with espionage
and I do hear some people singing its praises from time to time. Horses for courses ... I say more options is good, even if I never use some of them, because the point is that someone out there
will and the game is the richer for it.
I flatly disagree that civics are either a problem or too easy to switch - the period of anarchy is extremely inconvenient and I avoid switching more often than necessary. Even when I am spiritual, I rarely switch. I like the fact that there are disadvantages as well as advantages to civics. I like the fact that each civic has a price tag and that other civs have favourites and change their attitude towards you depending on the civics you run. The new Civ V mechanism is almost like another tech tree really, not a social system at all, and there is no cost, down-side or diplomatic consequence to the choices you make which means that there is little thinking to be done, other than which beeline to pick.
Finally, describing religion as a diplo exploit is ... well, astonishing to me frankly. At higher levels, I am extremely unlikely to found any of the three early, and therefore influential, religions. Which means that I am completely at the mercy of spread and I have to deal with whatever religious politics develop in the game. It is a tool that you can use, if you decide to make the trade-off, go for an early religion at all costs and then accept all the expense and difficulty of spreading it. But it is by no means a soft option, nor is it sure and for my money religion adds a lot of fun to the game and is one of the reasons why every game of Civ IV is different and entertaining. Religion also means that you end up with hard core allies and enemies which is something I enjoy, very immersing, and ... ahem ... spectacularly lacking in Civ V.
I have no opinion on SoDs. I never use them. I suspect I would find them boring. So I don't play that way
I do agree with a lot of your other comments though, and the overall thrust of your post. Just felt I had to stand up for civics and religion - they seem to be getting an awful lot of bad press but for me were two of the best things about the game. I don't dislike Civ V because those aspects aren't present, but I am struggling to see what, of interest, has replaced them.