There are some great teachers, researchers, professors in science where observations of research arts include sharing the information. The actual research is easy to do. After world war two the usa emphasis has been on making industrial workers who obey and follow orders, sign papers without knowing what they mean. Researchers who do not teach or share science are considered inept and neglectful to their duties. With science one can make almost anything.
Science is easy to learn with competent instructors.
Educational malpractice has long been part of the usa law suit theater. I welcome your ideas about ways to improve teaching. There are many fine instructors from commercial pilot instructors, language instructors, fine art instructors throughout the world. The standards of teaching are international in terms of the customer student is just that a customer, except in many indocrination companies or state controlled institutions they limit and control thought and resources to make obedient workers who go along with things or for the upperclasses, they are taught thru propaganda nearly opposite truths. In science elementary truths are hidden.