[cjbgkagh]

I think that is a misreading, they got good grades due their prior stereotype of 'A' student despite doing 'D' student effort.

[Dylan16807]

If their grades never changed it could be they're better at writing than they think, even with low effort.

[cjbgkagh]

That scenario seems rather contorted, seems like taste is important part of writing a good essay.

[greenavocado]

I see what you are saying now. It should be clarified.