>Markets left to their own accord incentivize dishonesty and manipulation.
Only among the narrow minded & short sighted. Companies that view things like customer service as a cost center rather than customer retention & profit center tend not to experience as much success as their all-else-being-equal competitors. It's a PITA to return something to Walmart Online, refund are slow and sometimes nonexistent, requiring lengthy exchanges and delay. Amazon makes it easy, and is one of the primary reasons I long ago made them my first and, when possible, only stop for shopping online.