Do As I Say Not As I Do: This is the ultimate sign of an abuser. An emotional abuser can say anything to you, and behave any way they want BUT if you repeat that behavior towards THEM...you might as well have started world war three. They will absolutely lose their minds. Emotional abusers can dish it but they can't take it.
Now it’s true, he valiantly attempted to help Dorothy get back to Kansas, declaring that he would take her there himself, but that was only AFTER he was exposed as a fraud. Since Sociopaths are known to have entrepreneurial versatility, the minute he was no longer going to be revered by his loyal subjects as all the all-powerful, all knowing OZ, he had to quickly shift gears to Savior (another favorite of the sociopath).