The Argentine historian Ezequiel Adamovsky published an intriguing response to Wolff's thesis back in 2006. I am always surprised that more people don't know Adamovsky's work.
Here's the citation for his JMH article on the topic:
"Euro-Orientalism and the Making of the Concept of Eastern Europe in France, 1810–1880" The Journal of Modern History (Chicago), no. 77, September 2005, pp. 591–628.
And here's his website. A wide-ranging and original thinker.