Why Are Public Speaking Skills So Important For Students in Indonesia?

Are you a student in Indonesia who is still shy about speaking in public? If so, it seems this post is for you. Talking about public speaking, do you know if it turns out that the average ability of people in Indonesia is still rated lower in public speaking than in other countries, though that skills keep increasing? That was stated by a practitioner named Nitesh Gianchandani in 2015. Public speaking skills are no longer a common thing for some people in Indonesia. So, What is the cause of the low public speaking skills in Indonesia? Why is it so important? And How to improve our public speaking skills to be better?