[Brian Griffin]

Someone 'forgot' to tell Junior, the Little Princess, and the parents shelling out tens of thousands of dollars per student.

[Brian Griffin]

WIKI

Number of Foreign Students on OPT
2017 152,681
2018 145,564

2019 Top 10 Employers of OPT and STEM OPT Graduates
Amazon 2,813
Google 1,123
AZTech Technologies LLC 1,057
Deloitte 822
Microsoft 817
Intel Corporation 790
Integra Technologies LLC 721
Facebook 708
Apple, Inc 463
Walmart 441

The most common field of study for OPT majors is computer science and business administration and management, both at 8.6%

The STEM extension appears to be directly attributable to Congressional testimony by Microsoft co-founder Bill Gates, March 12, 2008.

https://en.wikipedia.org/wiki/Optional_Practical_Training

[Brian Griffin]

In plain English, almost all foreign origin US college graduates are eligible to get a job in their field in the USA for up to 36 months after graduation.