You're suggesting these people are paying more because Carrefour was "onerous and damaging to their society". In other words, they're treating competition to Ca

You're suggesting these people are paying more because Carrefour was "onerous and damaging to their society". In other words, they're treating competition to Carrefour as a social good. Society is better off if enough people shop at competing stores, but no individual customer has an incentive to shop at competing stores.