I just encountered a BBC program discussing about the death of French culture and checked about this topic on the web and found some more articles. In the end, it is oxymoronic nonsense to stamp an absolute value on culture of different countries. If such absolute value exists then human society will be wiped out by over-adaptation. GDP and culture are correlated but not the same.
Here are some articles I found.
‘American talk of the death of French culture says more about them than us’
France has been stung by a lament in Time magazine that French culture is all but dead. In a response, French intellectual Bernard-Henri Lévy argues that the criticism tells us more about the US cultural landscape which informed the article
In Search of Lost Time
By DONALD MORRISON/PARIS Wednesday, Nov. 21, 2007
The Death of French Culture
Non, la culture française
n’est pas morte !