meaning just because they haven't 'worked it out' doesn't mean it might not be so?
Do any other land-mammals NOT respond to pheremones?
It's a mixed bag.
Some pheromones are evidently very powerful things.
But it's a very complex picture with most humans involving a lot of conditioning and conscious choice, too.
Some powerful perfumes have been created but I forget the marketing experiences. I think they weren't consistently powerful across a broad enough spectrum of the population enough of the time to make them a raging success. But I could be wrong. Been a long time since I read anything about such.