just check issues around GM food.
china now is deeply uneducated on science, and science in the world is not doing good either, Japan's STAP stem cell fiasco certainly didn't help, cover storty of the latest issue of national geographic ?
why people are anti-science now, look it's not people in china, or arab, or Africa, it's about people in america and Europe!
now you can imagine how hard for china to do things in agreement with science.
this air pollution stuff certainly is bad, but how bad, how urgent, what priority, what industry or jobs should be sacrificed, we don't know nothing! like a blind mouse/fly, more harm could be done with little benefits achieved.
on the contrary, smoking is totally different issue, every health NGO should put this on #1 issue