I agree with you, it's inappropriate. I am surprised to read that South Korea even sent a minister, Mrs Cho Yoon Sun, Minister for Family Affairs and Womens Rights, to inaugurate the Korean exhibition.
Here's a few French headlines I found online. I've removed the accents, as they would show as mojibake on the forum):
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Un sujet brulant hote du Festival BD d'Angouleme ("A hot topic on the Comic Festival of Angouleme") with pics of the minister guiding visitors through the exhibition
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Bullade a Angouleme: Scarlett, Mafalda et les captives sud-coreennes agitent le festival by Liberation, a leftist daily; they mention the protest of the Japanese ambassador to France as well as a petition of 12,000 Japanese nationalists protesting against turning the exhibition into a political battlefield
=> on the official website the topic doesn't even rank prominently:
Exposition Coree: Fleurs qui ne se fanent pas
Le commissaire de l'exposition, Shin Myeonghwan, en a concu l'espace en trois sections distinctes : Passe, Present et Futur. < Passe > s'attache a retracer le contexte historique de l'Asie lors de la Seconde Guerre mondiale et l'ensemble des faits ayant mene la mise en place, par l'armee imperiale japonaise, du systeme d'esclavage sexuel des femmes dites < de reconfort >. La section < Present > revele en quoi consistait ce systeme et la vie de ses victimes, portant le regard du visiteur sur ce qui s'est reellement passe. Enfin, < Futur > evoque l'espoir d'aborder l'avenir avec une plus grande transparence, par la reconnaissance des faits historiques.
Basically, the Korean expo focuses on the past, the present and the future of comfort women, on how the system was put in place, on how the survivors live today and on the hope to "tackle the future in greater transparency" in order to acknowledge historic facts.
=> Vingt minutes: Festival d'Angouleme:
Le Japon fustige une expo BD sur les <femmes de reconfort> coreennes, "Japan decrying comic expo on comfort women"
According to Vingt Minutes, the French hosts stated that the topic was chosen by the South Korean government, but that the artists had total freedom on how to present the issue. The article also mentions that Japan officially apologized to Korea in 1993, but that the South Korean government felt that those currently in power "are copping out" and "do not actually feel any regret over those past actions".
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Angouleme : l'expo qui fache le Japon: "An exhibition infuriating Japan"
=> And Le Point, also a generally leftist newspaper:
Exposition BD sud-coreenne a Angouleme: la France insultee par des Japonais faches, "France insulted by an angry Japan"
Interesting topic. Unfortunately, I don't have time to delve deeper, if you need more info on anything specifically, let me know.