Why does Sebelius still have a job?

"Loyalty is generally a good thing, in politics, as in life. But Kathleen Sebelius and her agency’s rollout of Obamacare is different," writes Tom Bevan.
"Sebelius’ department had 3½ years to prepare to implement the Affordable Care Act. No one ever suggested that commandeering one-sixth of the American economy would be an easy task. (Many Republicans suggested the opposite and were dismissed as killjoys for their efforts.) But after the debacle of the last two weeks, liberals and Democrats—not conservatives or Republicans—should be calling for Sebelius’s head.
"The administration’s effort to sign individuals up for coverage through the government-run health care exchanges are at the heart of the legislation. To say this was vitally important to the overall success of the law is an understatement. It is the aspect of Obamacare that the president himself has said is utterly essential—and backed up those words by letting the federal government shut down rather that give in to Republican demands to gut it. Nonetheless, its premiere was a giant flop – and Kathleen Sebelius is responsible.
"The government’s website apparently cost more than $500 million to build—and counting. This is more than LinkedIn, Facebook, Twitter, Instagram or Spotify, and yet it has been a disaster from the get-go, freezing, crashing, and locking people out." Read more:      [BJS]