Since history is written by the winner.
What if the good god lost the big battle?
That's right. This is something most people don't understand.
A good example is WW2 and the "good allies" and "evil chocolate chip cookies".
Instead it should simply be "allies" and "axis".
Thanks to the "good allies" half of europe got communism...
Atleast the "good/bad" thing is simply replaced by "my old friend" in crpg