Earlier quoted context omitted.
Why would we want tuition to support research?
I think the cynical student paying tuition in America would ask what the money is actually paying for and why it can’t cover the full cost of programs and research given that it’s so high. Let’s say you go to Ohio State. The out of state (unsubsidized) tuition comes out to about $37,000 for full time tuition. That’s around 108 hours of instruction per year by my estimation. Students are paying $342 per lecture hour,…
And most universities don't have any significant endowment and they don't work like what you think. Most of these are money for specific goal. i.e as rich alumni of CS program I can donate $100m and ask the university to invest them or put them in a bank and then pay grants for CS students. The university is legally bounded to not use the money for anything else. But this will be counted as +$100m endowment money for my university.