One bad apple spoils the barrel

Experiments from marketings experts from York, Queen’s and Carleton universities conclude that misleading advertisements that are later corrected have a profound negative effect on consumers. Consumer attitudes tend to be more cautious to any selling message up to 6 days after viewing the notice to correction.

Source.

http://www.canada.com/vancouversun/news/story.html?id=4af68170-0543-49b8-9c15-613e9ab97d54