Lots of people are complaining about these techniques happening to them. Amazon needs to do a better job policing their policing.
The New Black Hat Tactics Amazon Sellers Are Using To Take Out Their Competition (https://www.forbes.com/sites/kirimasters/2019/02/19/the-new-black-hat-tactics-amazon-sellers-are-using-to-take-out-their-competition/#51010fbb3f58)
Have you encountered that personally in your Amazon journey? How prevalent is it?
Fortunately not. All the products I sell are relatively slow movers, so I'm not a big target. Amazon is not doing enough to protect sellers from this stuff and honestly it is getting worse.