This is a great thing to bring up in classroom under the discussion of identity and the presence of media in the molding of people's acceptance of their identity.
There are a variety of techniques used around the world that highlight certain features of the body and destroy other parts. It often has to do with people's sense of beauty based on what people have been taught is beautiful and what they see on TV, etc.
Likewise, many have criticized Hollywood for portraying East Asians negatively in movies. The men are often shown as non masculine, sneaky, and not so clever (or too smart). Women are portrayed as sex symbols. Their accent is used in a negative stereotype and now days actors who do hit the mainstream use American accents when portraying good characters.
This can not be helping the self esteem of East Asians in the West possibly contributing to these surgeries.