Amazon Just Made the $30k Amazon Retail Analytics Premium Data Free

If you’re a Brand Registered Vendor, Amazon is giving you access to its Vendor Central platform data. This was $30k at first, now it’s faah-reee!

Source: https://www.searchenginejournal.com/amazon-retail-analytics-premium-data-free/350692/#close

Free! Free!! Free!!!

How do you find it versus the basic one?
Which functionality is actually so great anyone would pay 30k for it before? *curious*