"I complained to Amazon that this was likely to land people with unexpected HMRC costs. Amazon couldn't see the problem "
Amazon don't give a monkeys
There is a huge amount of counterfeit kit selling on Amazon vs buying on Ebay - and the difference between the two when it comes to reporting fakes is night and day (Ebay can and will suspend vendor accounts whilst investigating AND will clawback what's been paid if the claims are validated)