But the issue is far more complex. Simple arithmetic, no solid educational philosophy. It's easy to take potshots at the education system. Beyond that, however, just as educators and their pupils must be more thoughtful and reflective about their studies, so too should critics be more thoughtful and reflective about what they're looking at and talking about. Relating what is going on in today's schools to one's own experience is all well and good, but the larger issues are historic and systemic.
Constructive criticism is an important part of the improvement process.