I'm too obtuse.
The sentence is ridiculous. One need not "demonize" an opponent who want to wipe you out. The comment essentially demonizes the object of the demons for believing the demons are demons. Or something like that. :)
Ebert put it thrid on his top ten list just behind number 1 Crash and number 2 Syraina. Brokeback come in 5 on his list and King Kong made the top ten.......
I guess we are supposed to spend so much energy agonizing over the moral dilemmas involved with defending ourselves against those who want to kill us that we won't be able to defend ourselves effectively. Or something like that.