There is quite a lengthy discussion here on KungFu Dana's blog about the Alliance Française in Paris but I think that this problem would probably mainly exist in the lower levels (A1 and A2 mainly). I could have guessed this. and I read that their classes are huge, 20 people or more. So I'm not too sure I want to go there now either :(
I know what the author is talking about.. these immature, spoilt, rich young things who probably have their parents pay for everything and don't take anything seriously and are just there to socialise - ugh!
From a quick search around the 'net I've found that all the Alliance Françaises around the world use different textbooks.. Connexions and Alter Ego are the most popular ones but I've found all of these mentioned somewhere:
À grand vitesse