I think this depends on the kind of person you are, as well as the field you are in.<p>If you can learn things for yourself effectively then there are a whole range of degree level courses which are completely unnecessary. In fact, not wasting your time with them, can be an advantage of its own...<p>Although even then... its always good to have others with experience teaching you. Regardless of the subject matter.<p>There is no &#x27;rocket science&#x27; in business and there is plenty of material available to learn from.