^ Very true. But we humans tend to believe more, than distrust. That's fundamental to most people.
I just feel that people in the Bazaar section should be extra careful with their dealings, and one way of achieving that would be to deal with the regulars, basically people with good reputation.
But again, the problem with that is that things become restrictive. A newcomer (let's say genuine) might be selling something cool at an attractive price, and people have to take a call whether or not they want to trust that person. Personally speaking, I would resist the temptation, but that's strictly me. Other people might feel differently.
I've even heard of fraud stories on Ebay, and Digit Bazaar is merely a facilitator without bells and whistles. So individual responsibility is all there is for protection.