Steven Rattner

Lacking the direct test of success or failure, the voter tends to turn, not to those politicians whose measures have the best chance of success, but to those with the ability to 'sell' their propaganda. Without grasping logical chains of deduction, the average voter will never be able to discover the error that the ruler makes.

Mostly we're motivated to control ourselves in public. Mostly. At home the motivation is much less clear. At home there's a bit of a lab for bad behavior. You can test things out without terrible consequences. Or maybe the consequences are there, but they are deferred, buried, much harder to detect.