I think Sierra is one of the best writers who's work can be found on this site and the changes in the writing since her departure can be pointed out rather quickly. I don't want to throw smack at the current writer either, i think he is quite good too, just not one of the best and that can be felt.
But this game was always going to have development issues due to decisions made with Sierra's contribution and a lot of her fans tend to ignore that.
For one, KoD went big. Literally in the case of the art. NN's pictures were 550x420, but for KoD he went all out and drew everything in 2000x1500 at least with full backgrounds. I don't draw myself, but that seems to be a lot of extra work.
Speaking of which, right from the very first release, the story has 4 main routes and so a lot of the story content that's developed would have to be done 4 times. Major patches like the Arena, the Raids, or the warchief's disappearance have significant differences.
Add to this a lot of the other choices on the routes like the sub/dom, the initial freedom/slavery and a few others and it's safe to say that the amount of work necessary to develop an hour of content for KoD is significantly more than it was for NN. 9 months long? Probably not, but even in the best case scenario the devs set themselves up to a lot of work and still slower content.
And finally the switch to Renpy. This was most likely a necessary decision due to the heavy emphasis on politics and branching routes in the game, but the fact still remains that Nomo and Sierra decided to switch to a system neither of them knew and which does require programming and again as far as i've heard neither of them does that either.
I don't want to sound mean, i'm sorry if i do and i'm honestly not blaming anyone either. Sierra is a great writer and a good dev, but she can't do miracles. Some delays in the process were inevitable for example when Nomo had to draw new assets for groping, for humans or minotaurs, and Sierra's presence wouldn't have changed that. She simply left before the inevitable happened.
But this game was always going to have development issues due to decisions made with Sierra's contribution and a lot of her fans tend to ignore that.
For one, KoD went big. Literally in the case of the art. NN's pictures were 550x420, but for KoD he went all out and drew everything in 2000x1500 at least with full backgrounds. I don't draw myself, but that seems to be a lot of extra work.
Speaking of which, right from the very first release, the story has 4 main routes and so a lot of the story content that's developed would have to be done 4 times. Major patches like the Arena, the Raids, or the warchief's disappearance have significant differences.
Add to this a lot of the other choices on the routes like the sub/dom, the initial freedom/slavery and a few others and it's safe to say that the amount of work necessary to develop an hour of content for KoD is significantly more than it was for NN. 9 months long? Probably not, but even in the best case scenario the devs set themselves up to a lot of work and still slower content.
And finally the switch to Renpy. This was most likely a necessary decision due to the heavy emphasis on politics and branching routes in the game, but the fact still remains that Nomo and Sierra decided to switch to a system neither of them knew and which does require programming and again as far as i've heard neither of them does that either.
I don't want to sound mean, i'm sorry if i do and i'm honestly not blaming anyone either. Sierra is a great writer and a good dev, but she can't do miracles. Some delays in the process were inevitable for example when Nomo had to draw new assets for groping, for humans or minotaurs, and Sierra's presence wouldn't have changed that. She simply left before the inevitable happened.