Please read the whole article linked below.
But when Chinese counterfeiters tool up and make copies of your product, send that inventory to Amazon, then overtake the real product’s buy box by auto-lowering the price – it’s a real problem. Customers are unknowinglybuying crap versions of the product, while both Amazon and the scammers are profiting, and the reputation you’ve built goes down the toilet.
Source: Amazon is complicit with counterfeiting (updated) | ElevationLab