Let's not get into absolutes. Ideas can be as hard or harder than execution. Not many will claim ideas like Special Relativity are easy to come by.
It really depends on the idea and what you're executing. Often in business both the idea and the execution have to work out to captialize. In this case Jobs might have set the direction and Cook capitalized. Both deserve a share of the credit.
Let's not get into absolutes. Ideas can be as hard or harder than execution. Not many will claim ideas like Special Relativity are easy to come by.
It really depends on the idea and what you're executing. Often in business both the idea and the execution have to work out to captialize. In this case Jobs might have set the direction and Cook capitalized. Both deserve a share of the credit.