Somebody mentioned this in a modding thread here: One of the challenging things about S:TW (and the Sengoku-jidai period in general) is the homogenity of the units. There is no game of Rock-Paper-Scissors like you get in some fantasy or other historical wargames. OK, so yari beat horses... but everyone gets them.

For my money, I prefer a historically accurate wargame which has been modified to be fun without sacrificing too much accuracy. Coming from a WWII Grognard background, I find S:TW to be a decent balance of those two concerns...

... for a game without hexes, that is.