Whats the point of studying/grades if effort hides intelligence?

No.12265210 ViewReplyOriginalReport
>guy studies 4 hours for exam, gets a B+
vs
>guy studies 40 hours for exam, gets an A

The first guy is clearly more intelligent because he can accomplish more with less work.
yet employers and firms will hire the second guy because of a higher grade

Therefore, schools and grades are a fucking retarded indicator for hiring someone.