Supposedly it was about not caring what people though of you and doing what's right even it makes you unpopular. . .except that Eliot liked everyone thinking she is the hospital's 'pass around' because she is a starved attention whore and JD learnt that lying to your patients is 'the right thing' if it makes them feel better.
Who would have thought that I (and medical ethics) was wrong about needing doctors to not be liars.
The only one that actually progressed -was Turk.