Separate the wheat from the chaff.
That sure sounds a lot like you think it is you who gets to decide who is wheat and who is chaff.'Separate the stuff in the op about the guy's opinions from his lies there.' It wasn't clear, true, so you fitted it into your agenda.
The rest of your comments we've been through more than once.
Do you think it is advisable for newbies to trade with the guy?
Tidied up the op a bit, some people couldn't see the wood for the trees
Couple links added, ty for sending them in. Some people are scared to comment.