on peace and submit in Islam (both accurate) and the regressivity of Islam's god

In the most recent Touchstone, Dr. Richard Cervin makes a number of interesting points about Islam:

-The root word for Islam is slm or "submit", but another word with the same root is "peace". So, the two words are homonyms in Arabic. "Thus, the current politically correct claim that Islam = 'peace' is not entirely wrong, but neither is it entirely correct." Cool point.

-Cervin recommends arguing against Islam in terms of logic and its ethics. In a word, Islam recommends "ethical standards" that are "remarkably backwards and inferior" to those of Judaism and especially Christianity. It then follows that Islam requires a "regressive god", even though Islam claims to be a "greater, more perfect revelation". Great argument.