The Key words are "very hard task" and "something like that". I am not claiming that Turkey has a Western type Democracy or separation between the state and the Church the way we understand it in the USA. Turkey was able to achieve a semi democracy and this is much better that the political, social and cultural state that the Arabs live under. The best they can do is to be like Turkey and that is not very bad.
Moreover, I totally agree with you that Turkey has a very dark history and had committed genocides against the Christians in 1915-1916, particularly the Armenians, and as a Lebanese Christian who lived during the Lebanese civil war I fully understand what these horrible deeds mean. However, to be historically accurate, it is not through these massacres against Christians in WWI that Turkey became some type of a secularist state. Attaturk realized that to put Turkey in the modern age, they must separate Islam as best they can from the State.
Muslims abhor the thought that they could possibly live under a predominantly Christian state.
About the term "arab" - My Arab Christian friends resent being lumped into the term Arab when the issue concerns terrorism. The terrorists are Muslims of every ethnic background.
Now if we can only get a few of the other billion of them to wake up and see that.