I have to agree with Sola, if you watched it to the end, you know why. But I'm actually surprised that made it to the first, AFAIK it's not so popular. Lucky Star was meh for me, because half of the time you were bored watching them talking about non...
In my opinion, they are interfering with the Japanese Culture, think about that they don't have many cows and they have to look for other type of resources to feed themselves (The Sea). Although I don't like seafood, so probably I won't eat dolphins...