Well, a lot of the GC2 cutscene animation would get you kicked out of art school, were you to hand it in to me as your class project. Some pretty crappy secondaries, looks like parts of the model for the evil GNN robot were rendered on the wrong layers, and here and there you have some scene composition that just doesn't work all that well.
However, Stardock didn't pay me to fix their animations; in fact, I paid to play their game. And I like the game, animation flaws notwithstanding. It's certainly not as bad as X3, where the grammar and animations are far worse.
It feels pretty good to get this off of my chest, though. I doubt it will ever get fixed, and I would not want it to be a high-priority issue, anyway.
Finally, just to be clear, "Grammer" most closely refers to the Cheers and Frasier actor Kelsey Grammer, while "Grammar" is about how one puts words together in sentences and such.