And the EU says we should welcome them in to Europe...
There was a very tight window of opportunity where that was realistic. At the time the only things standing in Turkey's way were the denial of the Armenian genocide and the death penalty. That window however closed a long time ago. Turkey was very reluctant to change either of these two things and EU member states weren't exactly crazy about the idea of Turkey becoming a member either. The EU's relations with Turkey…
Wasn't going to happen as long as each state gets a veto.
The fears thrown around were: >10% of Austria's population is already foreign born, it would only take 1/100 Turkish citizens to double that.
I like the idea of free movement of goods, money, and labor, but I think we're finding in elections around the world that once you hit that 10% foreign-born number, people tend to freak out.