And I wouldn't have it any other way.
Different people are needed at different points in a company history. Jobs was right for his era, but he would have been a disaster for the Cook era, where the greatest challenges that Apple currently faces are not other tech competitors like Samsung, Google or Microsoft, but thorny legal and political situations in various countries around the world.
Or remember how it felt like every other tech giant was doing mass layoffs, save Apple. At a time when so many people here were banging the table and demanding that Apple acquire Netflix or release a folding phone or heck, even a round smartwatch, Apple has shown that they continue to have the discipline to not be hoodwinked by the "tech flavour of the month" and say no to what would otherwise be bad business decisions (for Apple).
Tim Cook is the steady hand that we need to ensure that Apple remains successful for a good many years to come. He has refined the culture at Apple and expanded it, and has done as fine a job as any CEO in American history, if not world business history.
He's Eisenhower, not Churchill.