You can only say the algorithm works when you know the precise aim of the algorithm. Perhaps the "recommendation" engine is designed to dislodge the user from e

You can only say the algorithm works when you know the precise aim of the algorithm. Perhaps the "recommendation" engine is designed to dislodge the user from engaging too much with their own assessment abilities and instead have users respond to less guarded social cues setup elsewhere in the sales funnel. You can push a lot more pulp on unsuspecting people once it's familiar AND seen in a socially proofed popular list.