Well, it might be in part because of gear like this Adaptive Batman costume for kids.
After the Joker attacked, Barbara took on the mantle of Oracle and provided Batman with all the field intel he needed in his fight against crime. Of course, Batman had to take up the job on his own eventually. Child Batman Adaptive Costume | Kid's Adaptive Costumes Oracle UpSome say that Batman is the World's Greatest Detective. Of course, if you really look into the secrets of the Batcave, you realize that he's always had some pretty important support along the way.