I do get that there are reasons to hate China, and I also feel that sometimes especially when I read news about the country or their people doing something inappropriate related to my country. I have always heard a lot of things that sometimes pissed me off because there's a lot of Chinese here in my country but we can't just generalize all of them.
Spit in their food ,piss in their food ,water make them not welcomed in your countries.
Doing this won't make us any better. I don't know why you think that doing such things will make things better cause obviously it's not. Some countries are kinda dependent on products in China and they can't just abandon that.