You just answered your own question. If the only thing they cared about was the OPT, why would they pay $50k/year to attend a well-known university, when they c

You just answered your own question. If the only thing they cared about was the OPT, why would they pay $50k/year to attend a well-known university, when they can instead pay a fraction of that to attend a university no one knows about, and still get the OPT.