By not throwing them off a tall building and stoning them to death if they survive,  could be thought of as moderate Islam by some, apostasy by others.  To say that there is radical Islam infers that there is moderate Islam.   Islam is Islam, a form of government posing as a religion "of peace.  Islam is a religion of intolerance, superstition and  misogyny.  One doesn't have to read their Koran to see that.