Of the countless things that are constantly occurring in the world, some have positive and some have negative impacts on individuals, groups, the environment, and quality of life.
Those that have positive impacts are referred to as GOOD by those wo benefit from and/or are enriched by them.
Those that have negative impacts are referred to as BAD by those who suffer the negative impacts.
This means that what is good for the goose may not be good for the gander, and what is bad for the bull may not be bad for the baboon.
In this sense good and bad DO exist for humans.
There are no such things as GOOD and BAD if human experiences are ignored, and for entities that have no impact whatever on humans,