> do not have a good understanding of how exactly this system should be fixed, and that it’s not broken for fun but because there are some very difficult unresolved issues

I think the reason for feeling of competence that prompts so many people to share their opinions on the matter is that nearly all of us went through this broken system at some point in our lives and our future lives literally depended not so much of what was taught but what was written down as the result of the teaching.