So people often give positive feedback to their friend and then their friend scams, and you think that is okay? In a since those who are giving feedback to their friends are making it easier for their friends to scam. Do you think these kinds of people should be held accountable for this?
I'm sure you don't get friends with someone on the net in like a week or so, the "trusted" friends that I am talking about here are most likely are real world guys who may live near each other or know them from internet since/before bcttalk existed. And if you have noticed, many people also give a feedback like "Know him for a long time is a good guy" like feedbacks. If you want to talk about trust farming here is a thread I made about it several weeks ago:
https://bitcointalk.org/index.php?topic=1197533.0