In art there are only fast or slow developments. Essentially it is a matter of evolution, not revolution.
Love has its place, as does hate. Peace has its place, as does war. Mercy has its place, as do cruelty and revenge.
The Islam of the 18th, 19th and first half of the 20th century was a poor thing. Nobody bothered about it. Islam was that funny sort of pure system of beliefs that depressed people in the Middle East held as their religion.