They may not say it, but if they want the very best they will have to look for someone whose brain has developed in the hacking(in a general sense, thus leaving

They may not say it, but if they want the very best they will have to look for someone whose brain has developed in the hacking(in a general sense, thus leaving a lot of leeway) direction since early age. It is all about the unconscious mastery. I'll use the chess analogy, it is very hard to be a top class player, if every time you ponder the position you have to think about how the horsey moves.