- they can really fix it (e.g. by kicking every fake review mandator) and drown competiting products far below in the search results, leaving "Amazon's choice" ones at the top.
With way fewer reviews it will be harder to argue the ranking results legitimacy.
- they don't fix it, and as you say, get an excuse to kick any random brand trying to stay afloat on their platform.
"Amazon's Choice" are also littered with fake reviews. WSJ did a story on this and looked at hundreds of "[AC]" listings and found majority of listings had fake reviews; many of the fake reviews being the top reviews.
- they can really fix it (e.g. by kicking every fake review mandator) and drown competiting products far below in the search results, leaving "Amazon's choice" ones at the top.
With way fewer reviews it will be harder to argue the ranking results legitimacy.
- they don't fix it, and as you say, get an excuse to kick any random brand trying to stay afloat on their platform.
Either way Amazon wins.