- you are prodigious in some area, and higher education would be a waste of your time versus self directed work and study

- you are well connected and affluent, with an implicit path to success already laid out, and higher education would be a waste of your time versus just leaning into the nepo

- you’re stupid and want to cope and seethe about it

For example, I never went to college, but I can easily do calculus and science in my head. Some of us just naturally would exceed without needing to be lectured.