They didn't just trade free speech for cash. They traded their academic integrity. Talk to anyone who teaches at ANU/Monash/Melbourne and they'll tell you the same thing: most international Chinese students should fail by every metric there is, but there is tremendous pressure from the faculty to 'find marks' to get those students to scrape through and look the other way at their plagiarism and cheating. It's like th…
The single assessment was "review an engineering article" where I caught 7 students (all international) plagiarizing. Not just borrowing a sentence or two, but lifting entire paragraphs and gluing them together with broken English. In one case a student had gone as far as submitting Stephen Hawking's "Space and Time Warps", verbatim.
I raised all of these to the professor. Despite all students signing the "I know what plagiarism is, I won't do it and understand there I will be kicked out if I do" - the professor knocked back all of my claims and all students passed.
It was a huge disappointment to realize that this is how the "education system" works.