[Kalium]

What actions could they take, today, that would demonstrate to your satisfaction that they take counterfeiting and honesty seriously?

[ceejayoz]

A few off-the-top-of-my-head things:

Removal of the algorithmic "Amazon's Choice" label.

Human review of all listings, including changes to them.

Drastic reduction in number of sellers, show the seller company's age w/Amazon as well as the age of the listing and revision history.

[throwaway201103]

Nothing comes to mind.