It is not true. Depends on what you teach, what others want to learn.
With videos, if you want to find a point, you must know when it is in that video. If you don't remember, don't note it previously, you will have to spend more time than you are ready to spend, to watch most of the video in order to find the point you want to learn.
With books, power points, you can find what you want more quickly.
I prefer to read books than watch videos. Videos are helpful if you want to practice something. Watch a practical video after you already read books.
I agree with you. Many people prefer books and magazines, and it makes learning easier for them. But the human brain has a better understanding of images and video content.
That's why Metaverse creating an environment for medical students to see and repeat all surgeries in the Metaverse world.