Note that it is a very limited metric, I would not try to deduce too much from it. Also, MS research recrutes a lot of people top in their fields (up to fields

Note that it is a very limited metric, I would not try to deduce too much from it. Also, MS research recrutes a lot of people top in their fields (up to fields medal/nobel prize kind of level), which helps tremendously when you only look only at metrics for the top.