north versus south

What was North Korea trying to do? Get attention? Show everybody that they can be tough? Because firing an attack was a little too... strong, guys.
Two South Korean marines and two South Korean civilians were killed in North Korea's most recent attack, which is claimed as a reaction to the South Korean militia drills. But they do this every day. They practice every day, and suddenly -
I don't know all the story; I highly doubt that anybody does, even the military on both sides. I do have to say, though, that I think that this was a little bit too extreme.