Follow the money... including who signs Bill Maher's paychecks.
The real enemy of the Democratic party (money) machine is the Progressive Left, because their donors demand it.
In fact, the real enemy of the 99% is that very same donor class of outrageously, obscenely wealth people who treat money like power and our political system like their own personal fiefdom.
Until you fully understand what that means, I'll forgive you for swallowing the corporate propaganda.