How did social darwinism help business such as the carnegie company and tycoons like Andrew carnegie?

Social Darwinism provided a justification for the wealth accumulation and monopolistic practices of companies like Carnegie Steel by arguing that success in business was a result of natural selection and survival of the fittest. This ideology allowed business leaders like Andrew Carnegie to defend their ruthless business tactics as being in line with natural principles, enabling them to amass wealth and power without significant ethical scrutiny.