Let's assume for the sake of argument that Turkish people manage to get rid of the Arabian deity (Mohammad's god) they embraced a millennia ago, it would be an uphill battle for them against history because whether you like it or not, the most bright spots in history for Turkish people were during the reign of Seljuks and Ottomans, neither would have happened hadn't for the Islamic doctrine and faith.
You could argue of course that Turkey founded by Ataturk was still something impressive and to look up to but it still pales in comparison with what had been achieved during these two eras at least from an imperialistic and militaristic points of view.
That's why I think it wouldn't be easy for Turkey to break free from the negative Arabian influence and Sahara culture even if they renounce Islam altogether when compared to other countries in the region with more diverse and rich history spanning various civilizations and glorious times, and therefore they should focus more on how to reconcile with their past and history and not just get in state of denial about it.