What obstacles to effective leadership exist in your view?

Please provide a brief response.

Without such practice and without failure, it is difficult for leaders to learn how to be effective. The experience of failure, in some cases, may be a defining moment in the development of a leader (George, 2009). The question is, therefore, what are the obstacles to becoming an effective leader? Aside from different levels of skills and Aptitudes that might prevent a leader from being effective, several other obstacles to effective leadership exist.

What obstacles to effective leadership exist in your view?