Most of the former teachers interviewed, however, said that they left not because of the workload, but because they disagreed with Success's approach, which they found punitive.
They left not because of actual physical or verbal assaults, "but because their parents perceived potential problems might occur," he said.
As a former Liberal Democrat member, who left not because of the coalition itself, but because of the manner of the coalition, I'm horrified that what was the UK's largest unambiguously social democrat party has become a marginal party.
In Edgar Allan Poe's tale The Fall of the House of Usher, a house is swallowed up so that nothing is left, not because of poor foundations but mental sickness: the madness that afflicts the Usher family finally consumes the very fabric of their ancient home.
"But we noticed a change when he left, not because Jordi Roura or the training staff who stayed on didn't do a good job but because we were missing our head manager.
It would thus be interesting to know how many of the 14% who have just opted to leave Zappos have left, not because of the failure to embrace self-empowerment, but because they were concerned at the apparent complexity of the processes being introduced.
