Can someone explain this to me: "Shutting down disingenuous reviews is tricky for Amazon. By doing so, the company risks alienating sellers, a core part of its

Can someone explain this to me: "Shutting down disingenuous reviews is tricky for Amazon. By doing so, the company risks alienating sellers, a core part of its business." In the next paragraph: "Amazon is the place to be for e-commerce sellers and is increasingly seen as a utility. In 2017, Amazon accounted for nearly half of all e-commerce sales in the US (44%) with $196.8 billion in sales." If Amazon is the place to be, alienating the bad actor sellers isn't going to be an issue.