Why? Because like ALL liberal groups they are cowards. They will ONLY take up causes when they know they can do it without reprocussions. These "brave" people will only stand up against LEGAL entities ... they know if they go against people like Saddam or others they will cease to exist. Literally.
And I might add to your post that the major goal for groups like this is to discredit America.
Betcha meant to address this to kimchi, but I answered, anyway.