It's the same problem as any kind of training or testing system: The people employed to build and manage it are neither in prestigious nor high paying jobs, so

It's the same problem as any kind of training or testing system: The people employed to build and manage it are neither in prestigious nor high paying jobs, so there is little competition for their position, and little incentive for creative, thoughtful people to fill those positions. It actually gets worse, because the bureaucracy mires everything in so much red tape that innovation becomes all but an impossibility, as any independent thought is quickly stamped out. So yeah, it's no wonder that the tests are written by the dim witted and unimaginative.