This incident is just another long list of cultural differences that Chinese people are coming to grips with when they travel abroad. Sometime ago I read an article on such differences that outside of China would be an embarrassment.

Some articles on this issue:

http://www.ibtimes.com/chinas-guidel...wisdom-1414236

http://qz.com/88334/china-is-startin...havior-abroad/

http://www.eturbonews.com/45287/chin...ssing-behavior