There's something to be said for providing a very simple interface to allow the core game to be iterated on much quicker. This doesn't work for every game (specifically, some games rely on the interface much more), but in a turn based tactical game (whether it be this, or the excellent post-apocalyptic RPG Neo Scavenger[1]) I imagine it can be quite freeing for the developer (especially single or small team developers).
1: Neo Scavenger's interface actually looks better in screenshots than it plays in game, but none of that matters, because the game itself is quite good once you play for a bit and learn the idiosyncrasies of how you do things.
1: Neo Scavenger's interface actually looks better in screenshots than it plays in game, but none of that matters, because the game itself is quite good once you play for a bit and learn the idiosyncrasies of how you do things.