Yeah - there's the possibility they exist, they're just not around. Which made me wonder what the film was going for with Achilles beheading Apollo's statue and proclaiming so loudly that the gods weren't doing anything about it. Maybe we were supposed to compare Paris shooting him with the statue of Apollo-the-archer, and wonder whether the gods had done something after all? It just felt like there was lots more they could have done, although I'm not entirely sure what.