I attended a well known university and I graduated before COVID.
Cheating in next to universal. You didn't just cheat with people you knew. You could go ask any member of the year above for assignment solutions and quiz/test answer keys. You could ask any member of the prior section for what was on the quiz. Student union ran a solutions bank for past tests.
And yeah, plenty of us had Chegg.
Why do we do this? Very few of us went to university to learn. We wanted an access pass to the upper middle class.
Same thing with the students I mentor for remote interviews. I offer to help them cheat on them by sitting on a second webcam and feeding them the answers. Only one has turned me down, and not for moral reasons, but because they fear getting caught.
If you offered to just give everyone an A for a given course, maybe 10% of students would attend.
I am not sure that businesses care all that much, because the same skills work in companies too and it is considered legitimate outside of the academic world to take the work of others. In school, using a library is cheating. At work, it is good work.