In a story as large a scale as Star Wars it is very difficult to avoid such inspiration. Not necessarily a bad thing as this very worlds history has some fantastic stories which can be retold to a newer audience. Palpatine and the senate was definitely influenced by the Roman culture, and why the hell not as it is an incredibly interesting period in history.
Back on target though, I think the game occasionally suffers from a saturation of the LCG market. Between 6 LCG and Doomtown, and the possibility of Vs making a comeback there are just too many options and maintaining large groups for every game is simply impossible. I would love to play Doomtown but my wallet can only take so much strain (along with the missus). Keeping up with 3 games is already a nightmare and I would assume most gamers have a similar viewpoint. Crikey, if I didn't have a job and had a couple of million in the bank I would probably play all the games all the time but the likelihood of that happening anytime soon is pretty slim.