Exploring intelligence hasnt really been done in the movies yet, so i hope Snyder goes into this. or at least touches on 'the worlds greatest detective' somehow. It would be cool to oppose batman's intelligence to supermans power...dont you think? this article actually points out the balance needed between batman and superman in snyders film and uses intelligence as a key attribute. check it out!
Dick. Because he came out unscathed after his stint with Bruce. No long lasting trauma, all limbs are good condition. He's an emotionally rounded character, and arguably Bruce's greatest success.
That was probably more luck than intellect.
Intelligence could mean many thinks, some cultures find some types of intelligence mroe important that others
But Drake show to be smart enough to go and do the job, Barbara was Oracle is using many computer and Drake has to do thing with his mind and in the fly, besides he show the most round capacities and look to learn and understand fater that the rest.
Even when Dick is socially smarter.
Jason street smarter.
Barbara computer smarter.
Drake is more round and it looks to have a better creactive thinking that the rest and has better detective skills, that it show his logic is better.