I wouldn't get nervous if I was flying through Chinese air space, and saw a rocket breaking its way through some clouds, just a couple of kilometers away. Nope. Nooooot nervous at all.
I know I'm being irrational. After all, I find it normal that NASA launches a rocket or the Space Shuttle after clearing a security perimeter from commercial flights. The Chinese obviously do the same, but somehow their perimeter seems smaller than NASA's: