It's rooted in Taylorism / Management Science which is good at attaching metrics to the "factors of production" and correlating those to outputs.
But it doesn't have any easy numbers to attach to morale, motivation, loyalty or conscientiousness. These are all human factors that will have a real impact on your business.
Despite paying lip service to all these qualities corporations in the modern era either conveniently hide them under the rug or game them with lazy metrics that ultimately suffer a devastating collapse under Goodharts law.
Picking up a religious text will teach you more about dealing with people than these articles written by MBAs.