This has always been my take on traffic, maybe I'm wrong as usual.
Guy (A) has all this traffic that he sells to guy (B) so that he can make a profit on it. (B) has to make a profit somewhere along the line to pay (A) to keep it going.
From what I've seen getting good traffic is a lot harder then making a profit off it. So why doesn't (A) do what (B) is doing and not have to bother with selling his traffic?
I've heard all the talk about filtering and blah blah. If (A) does not know what his traffic is looking for in the first place why is he splitting it into groups to sell to (B)? And opening a feeder site does not look like rocket science and a good traffic guy should be able to do it.
Maybe this traffic is good for feeder sites to trade with other feeder sites buying traffic from other brokers which will not buy anything? Great for the traffic guys to show how much traffic they have.
There is one possible answer to it. (A) does know what it's about, he's a very smart cookie. He skims off the top all the good traffic and all he sells to (B) is the stuff he could not sell something to himself or send to his prime clients who pay the most.
As I said I could be wrong and traffic people are sending traffic that makes mega bucks to others. LOL