Half of the Twitter thread is just talking about literal bribes paid to Amazon staff to conveniently change things in the system in the black-hat sellers' favor.
This is not a "why don't they fight the spam harder" problem. That's Google's problem. Amazon's problem is, apparently, that their corporate culture is so toxic and broken as to make any kind of internal controls or moderation outright useless.
This is not a "why don't they fight the spam harder" problem. That's Google's problem. Amazon's problem is, apparently, that their corporate culture is so toxic and broken as to make any kind of internal controls or moderation outright useless.