Hedgies like Rajaratnam are the best investors around because they are willing to spend so much time, money and energy obtaining vital information about stocks.
A question such as, "what do you like about the neighbourhood, and what do you want to change?", can take a group a couple of evenings to itemize, condense and prioritize.
Much time has been spent, over the past century, on working out exactly what it is about the sound of fingernails on a blackboard that's so unpleasant.
They chose to waste a lot of time and money on makeup and costumes to make themselves look exactly like they'd just stepped out of a graveyard on their third wedding.