Thats a good one.
Most of the teachers I've met seem to blame resources, the government, kids, parents, society and infrastructure. That's not a criticism of the teachers, these are my family members I'm talking about, but a by product of the limitations they work within. This applies even more to the bad teachers who will blame anything before they say they are shite.
JC knows fine he is ultimately responsible because he knows he will lose his job and it's human nature to share blame.