I saw the change of attitude from avocation to for profit institutions. My first degree the State paid 75% and student paid 25%. Now it the exact reverse.
Then they started this sleazy practice of having the text books written by the Professor, printed by the University press, and sold only at their bookstores. The result were what they wanted: a poorly written text that cost way too much.
Its all about the money now.
Books are the biggest college scam there is. They tend to change them slightly each year so you must buy the new version and can’t buy used and can’t sell your old ones.