Accountability is the reason I use platforms. I know that I could get thrown under the bus, but when everything works as it should, it's not a problem. I am not satisfied with sometimes the high commissions and cut throat competition, but there is at least the safety that I will get my payments. They are in charge in managing the legitimacy of the other user and myself. It seems that the problem arises from the "reputation" points and I think that the best way to solve that is coming up with a new system than an arbitrary 5 star review system