Darwin espoused the tenet of “dog-eat-dog.”?

Darwin espoused the tenet of “dog-eat-dog.” Some celebrated this idea as a fair characterization both of the way things really are in the world, and of the way things ought to be. Others argued that it was dehumanizing and counterproductive to embrace this dog-eat-dog approach to business. On what side of the argument would you reside if you were debating this issue? Why?