This sounds like saying "Everything that human beings do is good, because if it wasn't, they wouldn't continue to do it!"
it may sound like that to you , to me it sounds like survival of the fittest has nothing to do with what we humans choose to define as fit
one reflection on that would be the nvc phrase "violence is the tragic expression of unmet needs"
it may sound like that to you , to me it sounds like survival of the fittest has nothing to do with what we humans choose to define as fit