Which group of individuals called for a softening or elimination of many features of the pure bureaucratic model?

The group that called for a softening or elimination of many features of the pure bureaucratic model is often associated with the Human Relations Movement. This movement, emerging in the early to mid-20th century, emphasized the importance of social relationships and employee well-being over strict adherence to bureaucratic structures. Key figures, such as Elton Mayo and Mary Parker Follett, advocated for more flexible organizational practices that prioritized human needs and collaboration.