People can slap nonsense feedback on you any made up reason.   There should be a way that feedback can be appealed and accounts that slap nonsense feedback should get negative feedback for doing so.   Basically there are just some users that are just jerks and probably use multiple accounts so that they can be a jerk in one account without any impact on their main account.   That seems somewhat shameful.    Then if they don't agree with something they just run around posting shill, sock puppet or other non-sense.   

I'm currently starting a new account because it is easier than dealing with the old one.   

Since I was never engaged in trading or encouraging people to engage in any particular activity I don't feel any feedback calling a scammer was justified.    It is a shame and I actually stayed away for over a year because it left such a bad taste in my mouth.