Yes. But there is no reason to think the cuteness attraction instinct and the sexual attraction instinct evolve at the same rate or even at a rate of the same order of magnitude. Finding offspring less cute than your ancestors did is far less likely to lead to genetic death than failing to mate with those with the best traits. That seems obvious to me anyway, I could be wrong.
Yes. But there is no reason to think the cuteness attraction instinct and the sexual attraction instinct evolve at the same rate or even at a rate of the same order of magnitude. Finding offspring less cute than your ancestors did is far less likely to lead to genetic death than failing to mate with those with the best traits. That seems obvious to me anyway, I could be wrong.