OK, but the customer is the only person who gets to decide what that means. "Reversing the idea" is just making the same (imo faulty) assumption that the author is, which is that there is some known "good value" product that everyone should be buying. What you perceive to be "good value" might be "overpaying for useless features" to someone else.
If anything, allowing for ads like Amazon does is probably more likely to match a customer to the product that's "good value" for them. If someone consistently buys products after sorting price low>high, then you know something about their purchasing habits - giving them a recommendation to buy a $450 air fryer because it's "good value" (decided by who?) isn't helpful when they really just want something barebones for $100.