and a cheerful C-student won't be able to become much later on if they want to earn more than a plumber)
no, of course, there are many ways, but many people don't see them, and a degree is a nice bonus. It significantly makes life easier, and for the most part, the employer doesn't care what the specialty is; the fact that they have a degree is what matters. Although a C-student can get into a private university if they have money (from their parents:D), slack off there, only showing up for exams to get a free passing grade, and during their free time (24/7;)) they can make music and use protection until they're blue in the face)
in the end, their life will be specific and quite lazy ;DDD