You lost me when you started talking about IQ tests, as if they’re some some sort of absolute measure of doctor-worthiness. Like most tests, they’re a measure of being good at taking tests, and of being born into social and economic privilege.
This piece is about lowering expectations and conforming, disguised as a comment on placing yourself in the service of the world at large. Maybe you dated an artist or writer who really pissed you off? There is anger or resentment behind this piece, somewhere.