Almost all graduates come from tier 3 colleges, which is a name for every college that isn't in the top 5%. These colleges often churn out massively overpopulated courses with too many seats, which was partly responsible for the campus placement crisis we are facing now.

Consequently professors employed by such institutions often have to min max for total covered content. A certain course in a well known tier 3 college taught React without first introducing HTML or javascript, in an introductory lecture.