Fistly, they can build good relationship with people efficiently with clear conversation and good impression.
Such as president Macron had good communication skills when he worked at a company.
Secondly, they can resolve the issues more effectively when they face to issues and risks in order to acheive the goal.
because they can get support easily from their members, other department and executives.
s participation.. these reasons are communication skills are more important to succeed.

First, they can effectively establish positive relationships with others through straightforward communication and a positive first impression. When President Macron was an employee at a company, he possessed effective communication abilities. Second, when they encounter challenges and risks in pursuit of the objective, they are able to resolve the problems since they may readily get the assistance of their employees, other departments, and executives.
These are the reasons why effective communication abilities are more important/ crucial to success.