They do seem to have a policy of asymmetric warfare, for example turning a blind eye to the export of fentanyl. It's not exactly far fetched. See the book "Unrestricted Warfare" by 2 PLA colonels.
Sure. Lots of people will refuse to even entertain the thought, because if true, it means that we're already at war and our people are being killed, and most western people are too mentally weak to take on the burden of accepting that bitter reality.
We're already at war because we're bombing several countries and arming insurgents. Not because China is getting fewer people addicted to opiates than the Sacklers.
https://en.wikipedia.org/wiki/Unrestricted_Warfare