Hi @HanyEldiftar ,
@LawrenceMMiller is a great community supporter, and helped me a lot on how to improve my own courses. So, you should take his suggestions into consideration for sure.
Of course, if you make research on your own at Udemy, you will see that this, "instructor-centered", or “old-school” approach of course creation dominates – instructors recording themselves. Larry is a great example how successful one can become by pursuing this approach.
However, new technologies allow us to apply different styles. For example, I prefer "Whiteboard animation". Since I am a relatively new instructor, maybe I am not a good benchmark for you.
However, check the following instructors who earned a status of “Udemy Instructor Partner” status:
Obviously, it’s up to you how you are going to build your own brand and authority. Faceless approach has his own Pros & Cons for sure – Larry mentioned the major concern.