I would hazard an eyeball guess that the overwhelming majority of container ships headed for the U.S. are carrying non-essentials.
I disagree with your statement that "it doesn't matter what you do". It is all that matters, because what everyone else does is beyond my control, and only what I do is under my control.
Individual action and its spread through word-of-mouth is pretty much the only way anything changes in this world.
It doesn't matter what you do, because it's not a problem you, the consumer, created.
It's a set of misaligned incentives that create a hole where ships like these fit. No amount of your individual do-gooding will fix that incentive misalignment.
I disagree with your statement that "it doesn't matter what you do". It is all that matters, because what everyone else does is beyond my control, and only what I do is under my control.
Individual action and its spread through word-of-mouth is pretty much the only way anything changes in this world.