> In the small business dominated world of 40 years ago trust was a fundamental economic asset. A bad seller would immediately get a bad reputation and it would be known around the community.
Sorry, this is bogus. Salesmen for electronic goods have been terrible at least since the 70s - my father, who designed ICs used in TVs, used to rant about their incompetence and bald-faced lies...
My assumption is that they've always been awful.