I never cared about grades, but I was never very good or very bad. Just slightly above average
In academia, having good grades is sometimes helpful to climb the ladder. Not all people can study medicine. Not all people can get a master degree.
Often these gigs are given to the best students only, but sometimes you can circumvent the grading issue by waiting longer, going to the military, be friends with a prof. or working for free.
I think you are falling for the fallacy that the essay is trying to expose?
Surely those that pass medicine are those that are good at medicine exams. Plenty of people would make great doctors that don’t due to the exam system, not due to a lack of capability.
In academia, having good grades is sometimes helpful to climb the ladder. Not all people can study medicine. Not all people can get a master degree.
Often these gigs are given to the best students only, but sometimes you can circumvent the grading issue by waiting longer, going to the military, be friends with a prof. or working for free.