People shouldn't be forced into lifelong debt because of social convention
Sure, we could do that in the US, too. Maybe not for 60% of the population, though. (In the US, 62.7% of high school graduates attend some additional schooling - though fewer graduate from college.)
No system is perfect, but the idea of paying for university (or making young people pay for university) still strikes me as bizarre and preposterous. What's the point of organized society if not providing education to improve everything for everyone?