BEIJING – Mr Zhang Xuefeng became famous in China for telling students and their parents what few educators would: Which majors were useless, which careers were dead ends and which dreams ordinary families could not afford.“Knock out your children if they want to study journalism,” he famously said.“The humanities all lead to service work, and service work, in one word, is sucking up” to clients.Critics accused him of reducing education to employability, peddling social Darwinism and teaching students from humble backgrounds to accept the limits of their place.But when Mr Zhang died in March, at 41, something uncommon in today’s…