You mean the politics from historical characters we know almost nothing about? The amount of semi-hard knowledge we have about everyone sans Crassus is sketchy at best. The show is essentially fantasy in that regard.
The cgi is clown shoes compared to 300.
Tits, your're right, I can see those anywhere and don't really add any value to the show. Nor do the extended sex scenes. Reminds me of Dennis' movie pitch about Dolph Lundgren, "Action, full penetration, action, full penetration, action, penetration, action, penetration..."
Yes, I know I used the phrase, "semi-hard knowledge".