I'm not sure how the journalist fact checked this, but in 2016 CMU sent 12 people to Facebook[1]. In 2018 CMU sent 27 people to Facebook[2].
[1] https://www.cmu.edu/career/documents/2016_one_pagers/scs/scs... [2] https://www.cmu.edu/career/documents/2018_one_pagers/scs/1-P...