Agree it is useless. No info on how they chose their survey recipients, how many responded and many other questions about how they figured their rankings. Also- “working hard” may mean so many things based on the students, the courses and the teaching. Plus- define hard work…
Re foreign language requirements- some can meet those with HS credits and never take any in college, no credits but one less hoop to jump through.
Far too many variables for this to be meaningful.