Uh, are you assuming the ability of the wearer to experience shame?
A lot of Nazis died in their uniforms, sure in the knowledge of the triumph of the Third Reich, even as a Jewish baby was wriggling at the end of their bayonets.
Don't ascribe human emotions to Obama supporters.
It's a mistake.
Frowning takes 68 muscles.
Smiling takes 6.
Pulling this trigger takes 2.
I'm lazy.