Why are goosebumps not very useful to modern humans?

Explanation:

now a days we dont need gooosbumps or the scientifc name cutis anserine.

it was used by our ancestors when we got afraid or for the cold an example of this is if a predator is attacking us the hair on our skins would point straight and we'd look bigger and hopefully it would scare them away, we can still see this in animals... but in present day its completly useless

b is dominant over the allele for the white fur.