There is an odd twist to the failure to practice what you preach.
Whereas the usual flaw is to practice a lower standard than that which is preached, with some people the problem involves practicing a higher standard than the one that is preached.
They voice high tolerance for those who exhibit little self-discipline or who embrace loose morals, sloth, and limited ambition. In their own personal lives, however, they are very disciplined and hard working and possess high morals as well as great ambition.
They tolerate behavior for others that they would regard as destructive or undesirable if applied to themselves or their families. The values they voice fall far below the values they live.