> All your customs office has contributed here is a rubber stamp saying "the work the Americans have already done is good enough"

The customs office does not test nor does it approve vaccines. I would also not expect that the US companies give me the same vaccines from the same production sites.

> who doesn't trust the US standard

I trust EU standards. Which my government can influence.

> People struggle to come up with examples of where it helped things along.

Maybe you, I can come up with lots of examples. EU standards are one. Your view on standards and regulations differs from most people.

> Literally sacrificing lives for business interests in defiance of what a free market would do

The Chinese market is not free. That should be known.

> but I urge you to reconsider what species you are a part of, and what the implications are if the problems are being created by the regulators rather than the underlying reality.

Nations, organisations, science, companies, money, laws, politics, ideology, are all reality. You seem to live in a fantasy world of 'species'.