I raised this issue yesterday.

Spencer also notices their shaky grasp on the definitions of basic English words and on essential Western civilizational concepts, and their shoddy, confusing grammar.

"I noted the tendency of self-proclaimed moderate Muslim spokesmen to engage in ad hominem attacks, not just as a secondary feature of their presentation, but as the entirety of their argument. And I suggested: 'I am beginning to suspect that all the abuse they delight in is not just a manifestation of their abysmal intellectual bankruptcy, although it is that also; it is at the same time a demonstration of their Islamic supremacist assumptions. The filthy kaffir is not to be respected, much less his arguments answered; rather, he is to be rebuked for his insolence and put in his place.'

(...)

"Eteraz simultaneously overlooks the fact that Muslims are the first immigrant group ever to come to a new country with a ready-made societal model that many believe it is their divine duty to work to implement, and the fact that it is not Jihad Watch or Robert Spencer who originated the idea that Islam will have difficulty adapting to the West -- this is said by Muslims not infrequently.

(...)

"And that is why so many people have growing suspicions about many Muslim spokesmen today: people aren't stupid, and they can see when more heat is being generated than light."

Note too the story he tells about Mohammed. He ordered a woman to be stoned to death for committing adultery. We all know what Jesus did in the same situtation. That difference alone proves Christianity's superiority to Islam.