That's my only response for those I expect to be allied with me, who either clumsily-and-accidently, or maliciously-and-purposefully cheer for my enemies.
I'm not sure if I would want someone allied with me, fighting Islam and its accompanying terrorism as a tool in its war arsenal against the West -- with a limited comprehension like that...
But, that's okay if you stay in the trenches a ways down .... :-)
I suggest it may be medical in nature.