Associating an entire city with a specific crime (from nearly 200 years ago) just seems unnecessary.
Plus it was largely Europeans kidnapping other Europeans for voyages to the East. The people of Shanghai were not involved.
because it has nothing to do with present day China for at least last few decades, you are MUCH more likely to get drugged and robbed in Manila for instance
I had to look it up because this is first time I heard this nonsense term, so it's not like it's commonly used
it's kind of obvious.
Only to those who are looking for excuses to take offense. That's sort of like saying a "pyrrhic victory" is offensive to the greeks.