"The marginalization of the capable is a key social process of nullifying merit, which generates and perpetuates mediocrity in groups, organizations and society. Hermanowicz (2013) explains well how mediocrity crystallizes, how it is dependent on the development trajectory of the group, making it progressively more difficult to induce change exogenously to the group."
Read here (only in portuguese) the recent opinion article by Gonçalo Faria, Professor and Deputy Director for the areas of Graduate and Executive Education and Engagement at Católica Porto Business School, published in Público Online.