Originally Posted by stillgoingstron

I suppose, if he thinks performing chin ups is just a bicep workout, then you can't argue with his misplaced logic that being able to do more curls than chin ups is better. But if that's his way of thinking he'll never get very big, except possibly slightly enlarged biceps.

I think he's totally wrong. He needs to incorporate chin ups and pull ups for all sorts of reasons and not just to build biceps.

Maybe you could explain the benefits of compound movements to him?