The Greeks understood perfectly that if there were divine beings they are capricious, unkind, malicious mostly, temperamental, envious and mostly deeply unpleasant because that you can say well yes, all right, if there is going to be god or gods then you have to admit that they're very at the very least capricious. They're certainly not consistent. They're certainly not all loving.
I can understand the Greek idea that there are these these principles of lightening or of war or of wisdom and to embody them, to personify them into a Athena or Aries or whichever god you want makes enormous sense.