Even when people emigrate to another country; they are still a piece of our history. Its interesting to see such a large number here and how they have adapted to life in another country over the years.
The volume is way up, and the people with the competence to do this don't exist.
People are under the false illusion that because the tests are graded by a machine that the process is objective. But everything, including programming the machine and doing quality control on it, is, in fact, done by human beings. And all humans make mistakes.