These wildlife markets are a particular problem. But virologists (see: Pandemic on Netflix) highlight not just the wildlife trade be our enormous animal agriculture production as an explosive situation.
There's a reason you can find so many videos online of Chinese people torturing animals. There is a belief in China (and to a lesser extent in other nations like Korea and I believe Vietnam) that making animals suffer pre slaughter makes the meat tastier. And honestly it isn't a stretch that adrenal hormones released just before death can influence the flavor or texture of meat, but I don't know if that justifies cruelty...
https://www.startpage.com/do/dsearch?query=south+korea+bokna...
Fortunately, the two support each other, because if you're right, expressing your view in a thoughtful way makes the truth more apparent to others, while fulminating and attacking enemies merely alienates everyone who doesn't already agree with you. You end up discrediting the very truth you're advocating for. https://hn.algolia.com/?dateRange=all&page=0&prefix=true&que...
There is evidence for this.