Your point about ford was pretty isolated as Herr Tubthumper pointed out, versus the vast majority companies that choose to settle and do business within the EU and its free trade area.
No doubt, the labour and running costs are considerably lower in Turkey than the UK, as anywhere else in the EU. Thus being costs effective versus the relinquishing free trade rights within the EU. It's no different to call centres moving to India etc. So the UK's labour/production costs should...