Thanks for all the information guys!! I'm on the right page now 
There is also this one concerning scammers...
Scammer: https://bitcointalksearch.org/topic/m.2514705 http://archive.is/8hx0n
| SCAMMER: | Manually applied by administration, regardless of post count and gets 5 red Xs under his name. |  |
It's very unlikely scammer tags will be ever be coming back. They were removed fairly recently for good reason. We don't need them anymore as the community policies itself with feedbacks and trust. And no, negative trust does not 'reset'. It can only be removed by the person who left it.
It would be better to add this tag for scammers since default trust can be manipulated by some green trust members ! 
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SCAMMER: Manually applied by administration, regardless of post count and gets 5 red Xs under his name.
It would be too much work for staff and mods generally don't get involved with scam accusations and is why it was removed. And what makes you think staff couldn't be manipulated the same way? It would be just too much fuss and people would be pestering mods to tag the hundreds of accounts that try scam here.
It hasn't happened for a while now... With perseverance, you can become Legendary and you can also build on your trust and even trade with others. Good Luck.
