Sadly, you didn't play the game enough to work out how not to be attacked as a Herbivore. Plus, you can still attack as a Herbivore if you want... you can be a veggie warmonger no problem. Also, you didn't mention it's all on one disc, and the possibilities for expansions, modding, etc. Which was mentioned for The Sims, i.e. Batman et al.
Oh, and I found The Sims boring as hell beyond locking someone in a room until they piss themselves or setting them on fire. I'm liking Spore.