How my admission would benefit the university?
If the student actively participates in and contributes to classes and department events, the university benefits.
If the student works for the university in a lab or as a TA, and does a good job, the university benefits.
If the student publishes interesting, useful, or important work while still a student, it reflects well on the university, and the university benefits.
If the student goes on to do great things after graduating, it reflects well on the university, and the university benefits.