So mark a vendor as "new vendor", add mandatory ghost shopping to all product skews (postage returns paid by vendor), funds only clear after product arrives + n days for new accouts, etc to build in security that products sold are legitimate. All you need to do is make cost of standing up a scam more expensive than the real thing.

The weird brand names are primarily to make obtaining trademarks easier (though I'm sure easily changing business names after getting busted for fraud is a nice bonus): https://www.nytimes.com/2020/02/11/style/amazon-trademark-co...

All that tech, platforms, manpower and literally all the backend data about it (access patterns, descriptions, sales, back accounts, user agents, IPs, everything) and they can't detect something that's blindingly obvious to anyone paying attention?

I don't know why they don't want to, but a database query for "\d{2}TB SSD" with a price under $100 is surely not beyond a global top-three AI company with a half-trillion dollars of revenue.