Stephanie: I can think of a number of people who are considered to be extremely intelligent and extremely successful at doing difficult things. Angela: Many of the most successful, self made entrepuners would probably score on most ecu tests. Stephen: There's no shortage of leaders with low emotional intelligence,. from walt disney to steve jobbs, mark zuckerberg and jeff bazos. The opportunity cost argument is that emotional intelligence could take away focus, time sources from the execution of the plan.