It depends on what you want to do, like a lot of things to do with education. It might be useful to everyone as a backup, but with education there is no single set of qualifications that will suit everyone so we end up as bank managers and nothing else.
Tell that to my aunt, who went to the best theatre school in London, and is now a real estate agent. Keanu Reeves only ever took part-time classes with my uncle. Then again, my uncle is an awesome teacher.