Can you provide an example where
1) someone was suspected of scamming
2) they provided information to show they were legit
3) the negative feedback did not get removed and
4) the person that left the negative feedback is (still) in the Default Trust list?
You can also check out my thread here
https://bitcointalk.org/index.php?topic=1035687.0Where I have provided all the proof of not being a scammer, and I literally have no one caring to even look at it.