Fake reviews – will the FTC's new rules fix the problem?
perfectrec.com
perfectrec.com
And to their own point fake reviews are obviously not an impactful problem, if you want the free market to incentivize a solution then there's clear runway for the problem to worsen. Criminalizing ownership of a marketplace isn't going to shorten that runway it's just going to deny new entrants and further entrench Amazon and further isolate them from the free market, protecting this alleged malicious actor.