You're missing his point, which is that intellectual ability does not necessarily mean that the aforementioned ability will be of any use.
Boys, can we not fight this one out again?
Yes, intellectual ability does not necessarily mean that person will be useful.
But as others have said, without intellectual ability, that person will definitely not be useful.
So we need intellectual ability and a certain kind of motivation. OK, we get it.
I think what you really want to rag on here are the "theorists" who want to talk endlessly about certain topics, and yet never do anything. Yes, I agree, a thousand times yes! These people are walking suicides.
But they may grow, especially if we shut them down when they exhibit that behavior. The first rule should be asking every loudmouth what volunteer activity they do for ANUS.
I know you (Cargest) are admin of Burzum.com, amirite?