Doesn't this assume all service providers are morally and legally good? I would restate the principle as, "you're morally and legally liable for the misdeeds of

Doesn't this assume all service providers are morally and legally good? I would restate the principle as, "you're morally and legally liable for the misdeeds of a service provider with which you've contracted in accordance with the extent to which you can reasonably expected to be aware of their moral and legal practices." But if you assume all companies are legal (else they wouldn't be companies) and that legality implies morality (an absurd belief), then your justification would be spot on. It's a gray area, in my uninformed opinion, and a key question whether Western states could reasonably expected to accurately assess what China would do with their trash