What are the benefits of using the Theory X and Theory Y management theory in a development process? What are the downsides to this particular theory? Provide examples of other leaders successfully implementing the management theory. Solution Benefits of Theory X and Theory Y in a development process: Disadvantages: Example: Steve jobs had a good behaviour of follow up for the task at hand and assisting people overcome their trouble. CEO of Unilever Paul Polman focuses on autonomy and hence has created a different organizational structure including PACE team to focus specifically on projects..