There is hope for employees who need better soft skills and emotional intelligence. You can help difficult, annoying employees work better with others.
In this day and age, it is rare to find leaders who have a good combination of stellar leadership qualities and field expertise. The scale is usually tipped towards one side or the other, and this is a major reason why leaders have been the cause of many businesses' triumphs or failures. While there may be other factors that can affect the outcome, the management's decisions often play a critical part.
A key part of agile development is user stories, which describe what intended users want from the product and how the product can help them achieve their goal.