I guess that it's not so popular and good enough as there is no relevant answer. But, I've visited similar courses, and some tips I've heard are very useful. To my mind, if there is the possibility of visiting the course, it's reasonable to do it.
Tell me where you got all this information? I am writing to the student newspaper. If there were more materials, I would write an article for our university.
I agree with you completely! Once I also tried to learn to draw, I went to different schools and courses. But there I always was worse than my peers in drawing. In my case, even experience did not help me))