Well you can say that is no sin, that's sound accurate, but I truly think, that these being often depicted as warriors, and if it true, they also have some sort of sin is in it? (Even if they on the good side.) The bible often claiming they are part of some spiritual wars also in ancient Indian (or other) books we can read about he god's wars, but I think, they were more like the fake gods, with a small g.Well who knows for sure?