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The big research university near me charges foreign STEM students over $50K/year in tuition.
And comparing the physical facilities of that university to the local Chick-fil-A location - I suspect the university's business model is considerably more lucrative. Even though students generally graduate and leave.
Do you really, actually, not comprehend the difference between a national STEM economy and a fast food restaurant, and how the two situations are not at all analogous, or were you just trying to come up with something snappy?
completes it, leaves
Or do you mean the taxpayer-supported research - that anyone with an internet connection can download the results of, from anywhere in the world, without paying a penny of tuition?
the incentives might not be set up for the best market, but Saudi Arabia im sure is willing to outbid just about any other use for that water