I don't think it's that simple. The real problem is that people want nice, handmade trinkets at cheap Chinese goods prices. Which is why the cheap Chinese good manufacturers spam their generic AliExpress-tier wares into places like Etsy to fool people as to what they're getting.
The websites that function as clearinghouses (Amazon, Etsy, etc.) could figure out ways to prevent it but they have incentives to play along with obfuscation as to which market the consumer is shopping in.
The websites that function as clearinghouses (Amazon, Etsy, etc.) could figure out ways to prevent it but they have incentives to play along with obfuscation as to which market the consumer is shopping in.